{"id":3229,"date":"2023-09-19T14:16:27","date_gmt":"2023-09-19T06:16:27","guid":{"rendered":"http:\/\/blog.zengqq.com.cn\/?p=3229"},"modified":"2023-09-19T14:18:40","modified_gmt":"2023-09-19T06:18:40","slug":"3229","status":"publish","type":"post","link":"https:\/\/blog.zengqq.com.cn\/?p=3229","title":{"rendered":"\u5982\u4f55\u4ece\u9ea6\u514b\u65af\u97e6\u65b9\u7a0b\u7ec4\u63a8\u51fa\u7535\u78c1\u6ce2\uff1f\u89c1\u8bc1\u5947\u8ff9\u7684\u65f6\u523b\uff01"},"content":{"rendered":"\n<p><a href=\"safari-reader:\/\/m.163.com\/news\/sub\/T1471311991463.html\">\u5b87\u5b99\u65f6\u7a7a<\/a>2021-12-22 19:02<\/p>\n\n\n\n<p>\u5927\u5bb6\u90fd\u77e5\u9053\u9ea6\u514b\u65af\u97e6\u4ece<a href=\"https:\/\/news.163.com\/news\/search?keyword=%E9%BA%A6%E5%85%8B%E6%96%AF%E9%9F%A6\">\u9ea6\u514b\u65af\u97e6<\/a>\u65b9\u7a0b\u7ec4\u91cc\u63a8\u5bfc\u51fa\u4e86\u7535\u78c1\u6ce2\uff0c\u7136\u540e\u901a\u8fc7\u8ba1\u7b97\u53d1\u73b0<a 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class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/21d35649j00r4ijyg000bc000d6007hm.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u7b54\u6848\u81ea\u7136\u662f\u8fd9\u4e2a\u70b9\u9644\u8fd1\u7684\u70b9\u7ed9\u8fd9\u4e2a\u8d28\u70b9\u65bd\u52a0\u4e86\u4e00\u4e2a\u76f8\u53cd\u7684\u5f20\u529b\uff0c\u8fd9\u6837\u8fd9\u4e2a\u70b9\u4e00\u8fb9\u88ab\u6211\u62c9\uff0c\u53e6\u4e00\u8fb9\u88ab\u5b83\u90bb\u8fd1\u7684\u70b9\u62c9\uff0c\u4e24\u4e2a\u529b\u7684\u6548\u679c\u62b5\u6d88\u4e86\u3002\u4f46\u662f\u529b\u7684\u4f5c\u7528\u53c8\u662f\u76f8\u4e92\u7684\uff0c\u9644\u8fd1\u7684\u70b9\u7ed9\u7aef\u70b9\u65bd\u52a0\u4e86\u4e00\u4e2a\u5f20\u529b\uff0c\u90a3\u4e48\u8fd9\u4e2a\u9644\u8fd1\u7684\u70b9\u4e5f\u4f1a\u53d7\u5230\u4e00\u4e2a\u6765\u81ea\u7aef\u70b9\u7684\u62c9\u529b\uff0c\u7136\u800c\u8fd9\u4e2a\u9644\u8fd1\u7684\u70b9\u4e5f\u6ca1\u52a8\uff0c\u6240\u4ee5\u5b83\u4e5f\u5fc5\u7136\u4f1a\u53d7\u5230\u66f4\u91cc\u9762\u70b9\u7684\u5f20\u529b\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u4e00\u76f4\u4f20\u64ad\u4e0b\u53bb\uff0c\u6700\u540e\u7684\u7ed3\u679c\u5c31\u662f\u8fd9\u6839\u7ef3\u5b50\u6240\u6709\u7684\u5730\u65b9\u90fd\u4f1a\u5f20\u529b\u3002<\/p>\n\n\n\n<p>\u800c\u4e14\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u65ad\u5b9a\uff1a\u5982\u679c\u7ef3\u5b50\u7684\u8d28\u91cf\u5ffd\u7565\u4e0d\u8ba1\uff0c\u7ef3\u5b50\u4e5f\u6ca1\u6709\u6253\u7ed3\u6ca1\u6709\u88ab\u62c9\u957f\uff0c\u90a3\u4e48\u7ef3\u5b50\u5185\u90e8\u7684\u5f20\u529b\u5904\u5904\u76f8\u7b49\uff08\u53ea\u8981\u6709\u4e00\u4e2a\u70b9\u4e24\u8fb9\u7684\u5f20\u529b\u4e0d\u7b49\uff0c\u90a3\u4e48\u8fd9\u4e2a\u70b9\u5c31\u5e94\u8be5\u88ab\u62c9\u8d70\u4e86\uff0c\u7ef3\u5b50\u5c31\u4f1a\u88ab\u62c9\u53d8\u5f62\uff09\uff0c\u8fd9\u662f\u4e2a\u5f88\u91cd\u8981\u7684\u7ed3\u8bba\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u4e0a\u9762\u7684\u5206\u6790\uff0c\u6211\u4eec\u77e5\u9053\u4e86\u5f53\u4e00\u6839\u7406\u60f3\u7ef3\u5b50\u5904\u4e8e\u7d27\u7ef7\u72b6\u6001\u7684\u65f6\u5019\uff0c\u7ef3\u5b50\u5185\u90e8\u5b58\u5728\u5904\u5904\u76f8\u7b49\u7684\u5f20\u529b\u3002\u5f53\u4e00\u6839\u7ef3\u5b50\u9759\u6b62\u5728\u5730\u9762\u7684\u65f6\u5019\uff0c\u5b83\u5904\u4e8e\u677e\u5f1b\u72b6\u6001\uff0c\u6ca1\u6709\u5f20\u529b\uff0c\u4f46\u662f\u5f53\u4e00\u4e2a\u6ce2\u4f20\u5230\u8fd9\u91cc\u7684\u65f6\u5019\uff0c\u7ef3\u5b50\u4f1a\u53d8\u6210\u4e00\u4e2a\u6ce2\u7684\u5f62\u72b6\uff0c\u8fd9\u65f6\u5019\u5c31\u5b58\u5728\u5f20\u529b\u4e86\u3002\u6b63\u662f\u8fd9\u79cd\u5f20\u529b\u8ba9\u7ef3\u5b50\u4e0a\u7684\u70b9\u4e0a\u4e0b\u632f\u52a8\uff0c\u6240\u4ee5\uff0c\u5206\u6790\u8fd9\u79cd\u5f20\u529b\u5bf9\u7ef3\u5b50\u7684\u5f71\u54cd\u5c31\u6210\u4e86\u5206\u6790\u6ce2\u52a8\u73b0\u8c61\u7684\u5173\u952e\u3002<\/p>\n\n\n\n<p>04\u6ce2\u7684\u53d7\u529b\u5206\u6790<\/p>\n\n\n\n<p>\u90a3\u4e48\uff0c\u6211\u4eec\u5c31\u4ece\u5904\u4e8e\u6ce2\u52a8\u72b6\u6001\u7684\u7ef3\u5b50\u4e2d\u9009\u62e9\u5f88\u5c0f\u7684\u4e00\u6bb5AB\uff0c\u6211\u4eec\u6765\u5206\u6790\u4e00\u4e0b\u8fd9\u4e2a\u5c0f\u6bb5\u7ef3\u5b50\u5728\u5f20\u529b\u7684\u4f5c\u7528\u4e0b\u662f\u5982\u4f55\u8fd0\u52a8\u7684\u3002\u653e\u5fc3\uff0c\u6211\u4eec\u8fd9\u91cc\u5e76\u4e0d\u4f1a\u6d89\u53ca\u4ec0\u4e48\u590d\u6742\u7684\u7269\u7406\u516c\u5f0f\uff0c\u6211\u4eec\u6240\u9700\u8981\u7684\u516c\u5f0f\u5c31\u4e00\u4e2a\uff0c\u5927\u540d\u9f0e\u9f0e\u7684\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\uff1aF=ma\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/news.163.com\/news\/search?keyword=%E7%89%9B%E9%A1%BF\">\u725b\u987f<\/a>\u7b2c\u4e00\u5b9a\u5f8b\u544a\u8bc9\u6211\u4eec\u201c\u4e00\u4e2a\u7269\u4f53\u5728\u4e0d\u53d7\u529b\u6216\u8005\u53d7\u5230\u7684\u5408\u5916\u529b\u4e3a0\u7684\u65f6\u5019\u4f1a\u4fdd\u6301\u9759\u6b62\u6216\u8005\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8\u72b6\u6001\u201d\uff0c\u90a3\u4e48\u5982\u679c\u5408\u5916\u529b\u4e0d\u4e3a0\u5462\uff1f\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u5c31\u63a5\u7740\u8bf4\u4e86\uff1a\u5982\u679c\u5408\u5916\u529bF\u4e0d\u4e3a\u96f6\uff0c\u90a3\u4e48\u7269\u4f53\u5c31\u4f1a\u6709\u4e00\u4e2a\u52a0\u901f\u5ea6a\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u5c31\u7531F=ma\u6765\u5b9a\u91cf\u63cf\u8ff0\uff08m\u662f\u7269\u4f53\u7684\u8d28\u91cf\uff09\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u6211\u4eec\u77e5\u9053\u4e00\u4e2a\u7269\u4f53\u7684\u8d28\u91cfm\uff0c\u53ea\u8981\u4f60\u80fd\u5206\u6790\u51fa\u5b83\u53d7\u5230\u7684\u5408\u5916\u529bF\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u53ef\u4ee5\u6839\u636e\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8bF=ma\u8ba1\u7b97\u51fa\u5b83\u7684\u52a0\u901f\u5ea6a\uff0c\u77e5\u9053\u52a0\u901f\u5ea6\u5c31\u77e5\u9053\u5b83\u63a5\u4e0b\u6765\u8981\u600e\u4e48\u52a8\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/d0bdbab2j00r4ijyg000kc000hs00dcm.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u5c31\u8fd9\u6837\u628a\u4e00\u4e2a\u7269\u4f53\u7684\u53d7\u529b\u60c5\u51b5\uff08F\uff09\u548c\u8fd0\u52a8\u60c5\u51b5\uff08a\uff09\u7ed3\u5408\u8d77\u6765\u4e86\uff0c\u6211\u4eec\u60f3\u77e5\u9053\u4e00\u4e2a\u7269\u4f53\u662f\u600e\u4e48\u52a8\u7684\uff0c\u53ea\u8981\u53bb\u53bb\u5206\u6790\u5b83\u53d7\u5230\u4e86\u4ec0\u4e48\u529b\u5c31\u884c\u4e86\uff0c\u6240\u4ee5\u5b83\u725b\u3002<\/p>\n\n\n\n<p>\u518d\u6765\u770b\u6211\u4eec\u7684\u6ce2\uff0c\u6211\u4eec\u4ece\u5904\u4e8e\u6ce2\u52a8\u72b6\u6001\u7684\u7ef3\u5b50\u91cc\u9009\u53d6\u5f88\u5c0f\u7684\u4e00\u6bb5AB\uff0c\u6211\u4eec\u60f3\u77e5\u9053AB\u662f\u600e\u4e48\u8fd0\u52a8\u7684\uff0c\u5c31\u8981\u5206\u6790\u5b83\u53d7\u5230\u7684\u5408\u5916\u529b\u3002\u56e0\u4e3a\u4e0d\u8003\u8651\u7ef3\u5b50\u7684\u8d28\u91cf\uff0c\u6240\u4ee5\u5c31\u4e0d\u7528\u8003\u8651\u7ef3\u5b50\u7684\u91cd\u529b\uff0c\u90a3\u4e48\uff0c\u6211\u4eec\u5c31\u53ea\u8981\u5206\u6790\u7ef3\u5b50AB\u4e24\u7aef\u7684\u5f20\u529bT\u5c31\u884c\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/11067319j00r4ijyg000ic000hs00bdm.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u5982\u4e0a\u56fe\uff0c\u7ef3\u5b50AB\u53d7\u5230A\u70b9\u671d\u5de6\u4e0b\u65b9\u7684\u5f20\u529bT\u548cB\u70b9\u671d\u53f3\u4e0a\u65b9\u7684\u5f20\u529bT\uff0c\u800c\u4e14\u6211\u4eec\u8fd8\u77e5\u9053\u8fd9\u4e24\u4e2a\u5f20\u529b\u662f\u76f8\u7b49\u7684\uff0c\u6240\u4ee5\u624d\u628a\u5b83\u90fd\u8bb0\u4e3aT\u3002\u4f46\u662f\uff0c\u6211\u4eec\u77e5\u9053\u6ce2\u52a8\u90e8\u5206\u7684\u7ef3\u5b50\u662f\u5f2f\u66f2\u7684\uff0c\u90a3\u4e48\u8fd9\u4e24\u4e2a\u5f20\u529b\u7684\u65b9\u5411\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u8fd9\u4e00\u70b9\u4ece\u56fe\u4e2d\u53ef\u4ee5\u975e\u5e38\u660e\u663e\u7684\u770b\u51fa\u6765\u3002\u6211\u4eec\u5047\u8bbeA\u70b9\u5904\u5f20\u529b\u7684\u65b9\u5411\u8ddf\u6a2a\u8f74\u5939\u89d2\u4e3a\u03b8\uff0cB\u70b9\u8ddf\u6a2a\u8f74\u7684\u5939\u89d2\u5c31\u660e\u663e\u4e0d\u4e00\u6837\u4e86\uff0c\u6211\u4eec\u8bb0\u4e3a\u03b8+\u0394\u03b8\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u7ef3\u5b50\u4e0a\u7684\u70b9\u5728\u6ce2\u52a8\u65f6\u662f\u4e0a\u4e0b\u8fd0\u52a8\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u8003\u8651\u5f20\u529bT\u5728\u4e0a\u4e0b\u65b9\u5411\u4e0a\u7684\u5206\u91cf\uff0c\u6c34\u5e73\u65b9\u5411\u4e0a\u7684\u5c31\u4e0d\u8003\u8651\u4e86\u3002\u90a3\u4e48\uff0c\u6211\u4eec\u628aAB\u4e24\u70b9\u7684\u5f20\u529bT\u90fd\u5206\u89e3\u4e00\u4e0b\uff0c\u7a0d\u5fae\u7528\u4e00\u70b9\u4e09\u89d2\u51fd\u6570\u7684\u77e5\u8bc6\u6211\u4eec\u5c31\u80fd\u53d1\u73b0\uff1aA\u70b9\u5411\u4e0a\u7684\u5f20\u529b\u4e3aT\u00b7sin\uff08\u03b8+\u0394\u03b8\uff09\uff0cB\u70b9\u5411\u4e0b\u7684\u5f20\u529b\u4e3aT\u00b7sin\u03b8\u3002\u90a3\u4e48\uff0c\u6574\u4e2aAB\u6bb5\u5728\u7ad6\u76f4\u65b9\u5411\u4e0a\u53d7\u5230\u7684\u5408\u529b\u5c31\u7b49\u4e8e\u8fd9\u4e24\u4e2a\u529b\u76f8\u51cf\uff1aF= 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class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/b87674b6j00r4ijyg000nc000hs00drm.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6ce2\u7684\u51fd\u6570f(x,t)\u4e0d\u5c31\u662f\u63cf\u8ff0\u7ef3\u5b50\u4e0a\u67d0\u4e00\u70b9\u5728\u4e0d\u540c\u65f6\u95f4t\u7684\u4f4d\u7f6e\u4e48\uff1f\u90a3\u6211\u4eec\u5bf9f(x,t)\u6c42\u4e24\u6b21\u5173\u4e8e\u65f6\u95f4\u7684\u5bfc\u6570\uff0c\u81ea\u7136\u5c31\u5f97\u5230\u4e86\u8fd9\u70b9\u7684\u52a0\u901f\u5ea6a\u3002\u56e0\u4e3a\u51fd\u6570f\u662f\u5173\u4e8ex\u548ct\u4e24\u4e2a\u53d8\u91cf\u7684\u51fd\u6570\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u80fd\u65f6\u95f4\u7684\u504f\u5bfc\u2202f\/ \u2202t\uff0c\u518d\u6c42\u4e00\u6b21\u504f\u5bfc\u6570\u5c31\u52a0\u4e2a2\u4e0a\u53bb\u3002\u4e8e\u662f\u6211\u4eec\u5c31\u53ef\u4ee5\u8fd9\u6837\u8868\u793a\u8fd9\u70b9\u7684\u52a0\u901f\u5ea6a=\u2202\u00b2f\/ 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alt=\"\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u7528\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u5199\u51fa\u6765\u7684\u6ce2\u52a8\u65b9\u7a0b\uff0c\u770b\u8d77\u6765\u600e\u4e48\u6837\uff1f\u55ef\uff0c\u4f3c\u4e4e\u6709\u70b9\u4e11\uff0c\u770b\u8d77\u6765\u4e5f\u4e0d\u592a\u6e05\u6670\uff0c\u65b9\u7a0b\u5de6\u8fb9\u7684\u4e1c\u897f\u770b\u7740\u592a\u9ebb\u70e6\u4e86\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u5bf9\u5b83\u8fdb\u884c\u4e00\u756a\u6539\u9020\u3002\u90a3\u600e\u4e48\u6539\u9020\u5462\uff1f\u6211\u4eec\u53ef\u4ee5\u5148\u628asin\u03b8\u7ed9\u5e72\u6389\u3002<\/p>\n\n\n\n<p>07\u65b9\u7a0b\u7684\u6539\u9020<\/p>\n\n\n\n<p>\u4e3a\u4e86\u80fd\u591f\u987a\u5229\u5730\u5e72\u6389sin\u03b8\uff0c\u6211\u4eec\u5148\u6765\u56de\u987e\u4e00\u4e0b\u57fa\u672c\u7684\u4e09\u89d2\u51fd\u6570\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/03e3d68fj00r4ijyg0006c0008d005gm.jpg\" 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alt=\"\"\/><\/figure>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\u6211\u4eec\u8981\u7528\u6b63\u5207\u503ctan\u03b8\u4ee3\u66ff\u6b63\u5f26\u503csin\u03b8\u5462\uff1f\u56e0\u4e3a\u6b63\u5207\u503ctan\u03b8\u8fd8\u53ef\u4ee5\u4ee3\u8868\u4e00\u6761\u76f4\u7ebf\u7684\u659c\u7387\uff0c\u4ee3\u8868\u66f2\u7ebf\u5728\u67d0\u4e00\u70b9\u7684\u5bfc\u6570\u3002\u60f3\u60f3\u6b63\u5207\u503c\u7684\u8868\u8fbe\u5f0ftan\u03b8=c\/b\uff0c\u5982\u679c\u5efa\u4e00\u4e2a\u5750\u6807\u7cfb\uff0c\u90a3\u4e48\u8fd9\u4e2ac\u521a\u597d\u5c31\u662f\u76f4\u7ebf\u5728y\u8f74\u7684\u6295\u5f71dy\uff0cb\u5c31\u662f\u5728x\u8f74\u7684\u6295\u5f71dx\uff0c\u5b83\u4eec\u7684\u6bd4\u503c\u521a\u597d\u5c31\u662f\u5bfc\u6570dy\/dx\uff0c\u4e5f\u5c31\u662f\u8bf4tan\u03b8=dy\/dx\u3002<\/p>\n\n\n\n<p>\u7136\u800c\uff0c\u56e0\u4e3a\u6ce2\u7684\u51fd\u6570f(x,t)\u662f\u5173\u4e8ex\u548ct\u7684\u4e8c\u5143\u51fd\u6570\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u80fd\u6c42\u67d0\u4e00\u70b9\u7684\u504f\u5bfc\u6570\uff0c\u90a3\u4e48\u6b63\u5207\u503c\u5c31\u7b49\u4e8e\u5b83\u5728\u8fd9\u4e2a\u70b9\u7684\u504f\u5bfc\u6570\uff1atan\u03b8=\u2202f\/ 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alt=\"\"\/><\/figure>\n\n\n\n<p>\u518d\u6765\u770b\u4e00\u4e0b\u8fd9\u4e2a\u56fe\uff0c\u6211\u4eec\u5df2\u7ecf\u7ea6\u5b9a\u4e86A\u70b9\u7684\u6a2a\u5750\u6807\u4e3ax\uff0c\u5bf9\u5e94\u7684\u89d2\u5ea6\u4e3a\u03b8\uff1bB\u70b9\u7684\u6a2a\u5750\u6807\u662fx+\u0394x\uff0c\u5bf9\u5e94\u7684\u89d2\u5ea6\u4e3a\u03b8+\u0394\u03b8\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u53ef\u4ee5\u7528x+\u0394x\u548cx\u8fd9\u4e24\u5904\u7684\u504f\u5bfc\u6570\u503c\u4ee3\u66ff\u03b8+\u0394\u03b8\u548c\u03b8\u8fd9\u4e24\u5904\u7684\u6b63\u5207\u503ctan\uff08\u03b8+\u0394\u03b8\uff09\u548ctan\u03b8\uff0c\u6240\u4ee5\u6ce2\u52a8\u65b9\u7a0b\u624d\u53ef\u4ee5\u5199\u6210\u4e0a\u9762\u90a3\u6837\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/7c607a2aj00r4ijyg0005c000a50025m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u63a5\u7740\uff0c\u5982\u679c\u6211\u4eec\u518d\u5bf9\u65b9\u7a0b\u7684\u4e24\u8fb9\u540c\u65f6\u9664\u4ee5\u0394x\uff0c\u90a3\u5de6\u8fb9\u5c31\u53d8\u6210\u4e86\u51fd\u6570\u2202f\/ \u2202x\u5728x+\u0394x\u548cx\u8fd9\u4e24\u5904\u7684\u503c\u7684\u5dee\u9664\u4ee5\u0394x\uff0c\u8fd9\u5176\u5b9e\u5c31\u662f\u2202f\/ \u2202x\u8fd9\u4e2a\u51fd\u6570\u7684\u5bfc\u6570\u8868\u8fbe\u5f0f\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e24\u8fb9\u540c\u65f6\u9664\u4ee5\u4e00\u4e2a\u0394x\u4e4b\u540e\uff0c\u5de6\u8fb9\u5c31\u53d8\u6210\u4e86\u504f\u5bfc\u6570\u2202f\/ \u2202x\u5bf9x\u518d\u6c42\u4e00\u6b21\u5bfc\u6570\uff0c\u90a3\u5c31\u662ff(x,t)\u5bf9x\u6c42\u4e8c\u9636\u504f\u5bfc\u6570\u4e86\u3002<\/p>\n\n\n\n<p>\u4e0a\u9762\u6211\u4eec\u7528\u6211\u4eec\u5df2\u7ecf\u7528\u2202\u00b2f\/ \u2202t\u00b2\u6765\u8868\u793a\u51fd\u6570\u5bf9t\u7684\u4e8c\u9636\u504f\u5bfc\u6570\uff0c\u90a3\u4e48\u8fd9\u91cc\u81ea\u7136\u5c31\u53ef\u4ee5\u7528\u2202\u00b2f\/ \u2202x\u00b2\u6765\u8868\u793a\u51fd\u6570\u5bf9x\u7684\u4e8c\u9636\u504f\u5bfc\u6570\u3002\u7136\u540e\u4e24\u8fb9\u518d\u540c\u65f6\u9664\u4ee5T\uff0c\u5f97\u5230\u65b9\u7a0b\u5c31\u7b80\u6d01\u591a\u4e86\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/e4f873ccj00r4ijyg0003c0004q0021m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u628a\u65b9\u7a0b\u5de6\u8fb9\u7684tan(\u03b8+\u0394\u03b8)-tan\u03b8\u53d8\u6210\u4e86\u51fd\u6570f(x,t)\u5bf9\u7a7a\u95f4x\u7684\u4e8c\u9636\u504f\u5bfc\u6570\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u975e\u5e38\u7684\u91cd\u8981\uff0c\u5927\u5bb6\u53ef\u4ee5\u597d\u597d\u4f53\u4f1a\u4e00\u4e0b\u8fd9\u4e2a\u8fc7\u7a0b\u3002\u6b63\u5207\u503ctan\u03b8\u5c31\u662f\u4e00\u9636\u5bfc\u6570\uff0c\u7136\u540e\u4e24\u4e2a\u6b63\u5207\u503c\u7684\u5dee\u9664\u4ee5\u81ea\u53d8\u91cf\u7684\u53d8\u5316\u5c31\u53c8\u4ea7\u751f\u4e86\u4e00\u6b21\u5bfc\u6570\uff0c\u4e8e\u662f\u603b\u5171\u5c31\u6709\u4e86\u4e24\u9636\uff0c\u6240\u4ee5\u6211\u4eec\u624d\u80fd\u5f97\u5230\u4e0a\u9762\u90a3\u4e2a\u7b80\u6d01\u7684\u5f0f\u5b50\u3002<\/p>\n\n\n\n<p>08\u7ecf\u5178\u6ce2\u52a8\u65b9\u7a0b<\/p>\n\n\n\n<p>\u518d\u770b\u770b\u65b9\u7a0b\u53f3\u8fb9\u7684\u03bc\/T\uff0c\u5982\u679c\u4f60\u4ed4\u7ec6\u53bb\u7b97\u4e00\u4e0b\u03bc\/T\u7684\u5355\u4f4d\uff0c\u4f60\u4f1a\u53d1\u73b0\u5b83\u521a\u597d\u5c31\u662f\u901f\u5ea6\u7684\u5e73\u65b9\uff0c\u4e5f\u5c31\u662f\u8bf4\u5982\u679c\u6211\u4eec\u628a\u4e00\u4e2a\u91cf\u5b9a\u4e49\u6210\u03bc\/T\u7684\u5e73\u65b9\u6839\uff0c\u90a3\u4e48\u8fd9\u4e2a\u91cf\u7684\u5355\u4f4d\u521a\u597d\u5c31\u662f\u901f\u5ea6\u7684\u5355\u4f4d\u3002\u53ef\u4ee5\u60f3\u8c61\uff0c\u8fd9\u4e2a\u901f\u5ea6\u81ea\u7136\u5c31\u662f\u8fd9\u4e2a\u6ce2\u7684\u4f20\u64ad\u901f\u5ea6v\uff1a<\/p>\n\n\n\n<p>\u8fd9\u6837\u5b9a\u4e49\u901f\u5ea6v\u4e4b\u540e\uff0c\u6211\u4eec\u6700\u7ec8\u7684\u6ce2\u52a8\u65b9\u7a0b\u5c31\u53ef\u4ee5\u4eae\u76f8\u4e86\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/8578c49cj00r4ijyg0003c0004u0021m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u65b9\u7a0b\u5c31\u662f\u6211\u4eec\u6700\u7ec8\u8981\u627e\u7684\u7ecf\u5178\u6ce2\u52a8\u65b9\u7a0b\uff0c\u4e3a\u4ec0\u4e48\u628a\u5b83\u4f5c\u505a\u7ecf\u5178\u7684\u6ce2\u52a8\u65b9\u7a0b\u5462\uff1f\u56e0\u4e3a\u5b83\u6ca1\u6709\u8003\u8651\u91cf\u5b50\u6548\u5e94\u554a\uff0c\u5728\u7269\u7406\u5b66\u91cc\uff0c\u7ecf\u5178\u5c31\u662f\u975e\u91cf\u5b50\u7684\u540c\u4e49\u8bcd\u3002\u5982\u679c\u6211\u4eec\u8981\u8003\u8651\u91cf\u5b50\u6548\u5e94\uff0c\u8fd9\u4e2a\u7ecf\u5178\u7684\u6ce2\u52a8\u65b9\u7a0b\u5c31\u6ca1\u7528\u4e86\uff0c\u6211\u4eec\u5c31\u5fc5\u987b\u8f6c\u800c\u4f7f\u7528\u91cf\u5b50\u7684\u6ce2\u52a8\u65b9\u7a0b\uff0c\u90a3\u5c31\u662f\u5927\u540d\u9f0e\u9f0e\u7684\u859b\u5b9a\u8c14\u65b9\u7a0b\u3002<\/p>\n\n\n\n<p><a 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class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/6eef2d92j00r4ijyg000gc000d6007wm.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u53e6\u5916\uff0c\u72c4\u62c9\u514b\u7684\u5de5\u4f5c\u4e5f\u63a8\u52a8\u4e86\u91cf\u5b50\u573a\u8bba\u7684\u8bde\u751f\uff0c\u6253\u5f00\u4e86\u4e00\u6247\u8ba9\u4eba\u65e0\u6bd4\u795e\u5f80\u7684\u65b0\u4e16\u754c\u5927\u95e8\u3002\u7269\u7406\u5b66\u5bb6\u4eec\u6cbf\u7740\u8fd9\u6761\u8def\u9a6f\u670d\u4e86\u7535\u78c1\u529b\u3001\u5f3a\u529b\u3001\u5f31\u529b\uff0c\u5efa\u7acb\u8d77\u4e86\u7c92\u5b50\u7269\u7406\u7684\u6807\u51c6\u6a21\u578b\uff0c\u4e8e\u662f\u56db\u6d77\u6e05\u5e73\uff0c\u5929\u4e0b\u5927\u5b9a\uff0c\u9664\u4e86\u90a3\u8be5\u6b7b\u7684\u5f15\u529b\u3002\u8fd9\u4e9b\u7cbe\u5999\u7edd\u4f26\u7684\u6545\u4e8b\u6211\u4eec\u540e\u9762\u518d\u8bb2\uff0c\u5982\u679c\u628a\u8fd9\u4e9b\u6545\u4e8b\u5199\u6210\u4e00\u672c\u300a\u91cf\u5b50\u82f1\u96c4\u4f20\u300b\uff0c\u55ef\uff0c\u4e00\u5b9a\u4e0d\u6bd4\u91d1\u5eb8\u7684\u6b66\u4fa0\u900a\u8272~<\/p>\n\n\n\n<p>\u597d\u4e86\uff0c\u56de\u5f52\u6b63\u9898\uff0c\u770b\u5230\u8fd9\u4e2a\u7ecf\u5178\u6ce2\u52a8\u65b9\u7a0b\u5230\u540e\u9762\u8fd8\u80fd\u6380\u8d77\u90a3\u4e48\u5927\u7684\u6d6a\u6765\uff0c\u662f\u4e0d\u662f\u7a81\u7136\u5c31\u5bf9\u5b83\u8083\u7136\u8d77\u656c\u4e86\u5462\uff1f\u6211\u4eec\u8fd9\u6837\u4e00\u987f\u64cd\u4f5c\u63a8\u5bfc\u51fa\u4e86\u7ecf\u5178\u6ce2\u52a8\u65b9\u7a0b\uff0c\u6709\u7684\u670b\u53cb\u53ef\u80fd\u6709\u70b9\u61f5\uff0c\u6ca1\u5173\u7cfb\uff0c\u6211\u4eec\u518d\u6765\u634b\u4e00\u4e0b\u3002\u8fd9\u4e2a\u770b\u7740\u5f88\u590d\u6742\u7684\uff0c\u5305\u542b\u4e86\u4e8c\u9636\u504f\u5bfc\u6570\u7684\u65b9\u7a0b\u5176\u5b9e\u5c31\u53ea\u662f\u544a\u8bc9\u6211\u4eec\uff1a\u6211\u4eec\u628a\u8fd9\u6839\u7ef3\u5b50\u6781\u5c0f\u7684\u4e00\u6bb5\u770b\u4f5c\u4e00\u4e2a\u8d28\u70b9\uff0c\u90a3\u4e48\u8fd9\u4e2a\u8d28\u70b9\u6ee1\u8db3\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8bF=ma\uff0c\u4ec5\u6b64\u800c\u5df2\u3002<\/p>\n\n\n\n<p>09\u590d\u76d8<\/p>\n\n\n\n<p>\u6211\u4eec\u6574\u4e2a\u63a8\u5bfc\u8fc7\u7a0b\u4e0d\u8fc7\u5c31\u662f\u53bb\u5bfb\u627eF=ma\u4e2d\u7684\u8fd9\u4e09\u4e2a\u91cf\u3002\u6211\u4eec\u628a\u7ef3\u5b50\u7684\u5f20\u529b\u5728\u7ad6\u76f4\u65b9\u5411\u505a\u4e86\u5206\u89e3\uff0c\u7136\u540e\u5f97\u5230\u4e86\u5b83\u5728\u7ad6\u76f4\u65b9\u5411\u4e0a\u7684\u5408\u529bF\uff08T\u00b7sin\uff08\u03b8+\u0394\u03b8\uff09-T\u00b7sin\u03b8\uff09\uff1b\u6211\u4eec\u5b9a\u4e49\u4e86\u5355\u4f4d\u957f\u5ea6\u7684\u8d28\u91cf\u03bc\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u8ba1\u7b97\u90a3\u5c0f\u6bb5\u7ef3\u5b50\u7684\u8d28\u91cfm\uff08\u03bc\u00b7\u0394x\uff09\uff1b\u6211\u4eec\u901a\u8fc7\u5bf9\u6ce2\u7684\u51fd\u6570f(x,t)\u7684\u5206\u6790\uff0c\u53d1\u73b0\u5982\u679c\u5bf9\u8fd9\u79cd\u8868\u793a\u8ddd\u79bb\uff08\u4f4d\u79fb\uff09\u7684\u51fd\u6570\u5bf9\u65f6\u95f4\u6c42\u4e00\u6b21\u504f\u5bfc\u6570\u5c31\u5f97\u5230\u4e86\u901f\u5ea6\uff0c\u518d\u6c42\u4e00\u6b21\u504f\u5bfc\u6570\u5c31\u5f97\u5230\u4e86\u52a0\u901f\u5ea6\uff0c\u4e8e\u662f\u6211\u4eec\u5c31\u5f97\u5230\u4e86\u8fd9\u6bb5\u7ef3\u5b50\u7684\u52a0\u901f\u5ea6a\uff08\u2202\u00b2f\/ 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alt=\"\"\/><\/figure>\n\n\n\n<p>\u5728\u5904\u7406\u95ee\u9898\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u505a\u4e86\u5f88\u591a\u8fd1\u4f3c\uff1a\u56e0\u4e3a\u6211\u4eec\u662f\u53d6\u5f97\u5f88\u5c0f\u7684\u4e00\u6bb5\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u53ef\u4ee5\u7528\u0394x\u8fd1\u4f3c\u4ee3\u66ff\u7ef3\u5b50\u7684\u957f\u5ea6\u0394l\uff1b\u5047\u8bbe\u6270\u52a8\u5f88\u5c0f\uff0c\u7ef3\u5b50\u504f\u79bbx\u8f74\u5f88\u5c0f\uff0c\u90a3\u4e48\u89d2\u5ea6\u03b8\u5c31\u5f88\u5c0f\uff0c\u6211\u4eec\u5c31\u8fd1\u4f3c\u7528\u6b63\u5207\u503ctan\u03b8\u4ee3\u66ff\u6b63\u5f26\u503csin\u03b8\u3002\u5f88\u591a\u4eba\u4e4d\u4e00\u770b\uff0c\u89c9\u5f97\u8fd9\u4e48\u4e25\u683c\u7684\u63a8\u5bfc\u600e\u4e48\u80fd\u8fd9\u4e48\u968f\u610f\u7684\u8fd1\u4f3c\u5462\uff1f\u4f60\u8fd9\u91cc\u8fd1\u4f3c\u90a3\u91cc\u8fd1\u4f3c\uff0c\u5f97\u5230\u7684\u6700\u7ec8\u7ed3\u679c\u8fd8\u662f\u51c6\u786e\u7684\u4e48\uff1f<\/p>\n\n\n\n<p>\u8981\u7406\u89e3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5c31\u5f97\u6b63\u5f0f\u53bb\u5b66\u4e60\u5fae\u79ef\u5206\u4e86\uff0c\u6211\u73b0\u5728\u544a\u8bc9\u4f60\u5fae\u79ef\u5206\u7684\u6838\u5fc3\u601d\u60f3\u5c31\u662f\u4e00\u79cd\u4ee5\u76f4\u4ee3\u66f2\u7684\u8fd1\u4f3c\uff0c\u4f60\u4fe1\u4e48\uff1f\u5fae\u79ef\u5206\u91cc\u5c31\u662f\u7528\u5404\u79cd\u5c0f\u6bb5\u5c0f\u6bb5\u7684\u76f4\u7ebf\u53bb\u8fd1\u4f3c\u7684\u4ee3\u66ff\u66f2\u7ebf\uff0c\u4f46\u662f\u5f97\u5230\u7684\u7ed3\u679c\u5374\u662f\u975e\u5e38\u7cbe\u786e\u7684\u3002\u56e0\u4e3a\u6211\u4eec\u53ef\u4ee5\u628a\u8fd9\u4e9b\u7ebf\u6bb5\u53d6\u5f97\u975e\u5e38\u975e\u5e38\u7684\u5c0f\uff0c\u6216\u8005\u8bf4\u662f\u65e0\u7a77\u5c0f\uff0c\u90a3\u4e48\u8fd9\u4e2a\u8bef\u5dee\u4e5f\u5c31\u6162\u6162\u53d8\u6210\u65e0\u7a77\u5c0f\u4e86\u3002\u6240\u4ee5\u6211\u4eec\u5728\u5206\u6790\u8fd9\u6839\u7ef3\u5b50\u7684\u65f6\u5019\uff0c\u4e5f\u90fd\u5f3a\u8c03\u4e86\u662f\u53d6\u975e\u5e38\u5c0f\u7684\u4e00\u6bb5\uff0c\u7ed9\u4e00\u4e2a\u975e\u5e38\u5c0f\u7684\u6270\u52a8\uff0c\u5f97\u5230\u4e00\u4e2a\u975e\u5e38\u5c0f\u7684\u89d2\u5ea6\u03b8\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\uff0ctan\u03b8\u5c31\u662f\u4e00\u6b21\u5bfc\u6570\uff0c\u7136\u540e\u5b83\u4eec\u7684\u5dee\u518d\u9664\u4ee5\u4e00\u6b21\u0394x\uff0c\u5c31\u53c8\u51fa\u73b0\u4e86\u4e00\u6b21\u5bfc\u6570\uff0c\u6240\u4ee5\u65b9\u7a0b\u7684\u5de6\u8fb9\u5c31\u51fa\u73b0\u4e86f(x,t)\u5bf9\u4f4d\u7f6ex\u7684\u4e24\u6b21\u504f\u5bfc\u6570\u3002\u65b9\u7a0b\u7684\u53f3\u8fb9\u5c31\u662f\u51fd\u6570f(x,t)\u5bf9\u65f6\u95f4t\u6c42\u4e24\u6b21\u504f\u5bfc\u6570\u5f97\u5230\u7684\u52a0\u901f\u5ea6a\uff08\u6c42\u4e00\u6b21\u5bfc\u6570\u5f97\u5230\u901f\u5ea6\uff0c\u6c42\u4e24\u6b21\u5c31\u5f97\u5230\u52a0\u901f\u5ea6\uff09\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\uff0c\u867d\u7136\u6211\u4eec\u770b\u5230\u7684\u662f\u4e00\u4e2a\u6ce2\u52a8\u65b9\u7a0b\uff0c\u5176\u5b9e\u5b83\u53ea\u662f\u4e00\u4e2a\u53d8\u88c5\u4e86\u7684\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8bF=ma\u3002\u7406\u89e3\u8fd9\u70b9\uff0c\u6ce2\u52a8\u65b9\u7a0b\u5c31\u6ca1\u4ec0\u4e48\u5947\u602a\u7684\u4e86\u3002\u6211\u4eec\u518d\u6765\u4ed4\u7ec6\u7684\u5ba1\u89c6\u4e00\u4e0b\u8fd9\u4e2a\u65b9\u7a0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/8578c49cj00r4ijyg0003c0004u0021m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u6ce2\u52a8\u65b9\u7a0b\u7684\u610f\u4e49\u4e5f\u5f88\u76f4\u89c2\uff0c\u5b83\u544a\u8bc9\u6211\u4eecf(x,t)\u8fd9\u6837\u4e00\u4e2a\u968f\u65f6\u95f4t\u548c\u7a7a\u95f4x\u53d8\u5316\u7684\u51fd\u6570\uff0c\u5982\u679c\u8fd9\u4e2a\u4e8c\u5143\u51fd\u6570\u5bf9\u7a7a\u95f4x\u6c42\u4e24\u6b21\u5bfc\u6570\u5f97\u5230\u7684\u2202\u00b2f\/ \u2202x\u00b2\u548c\u5bf9\u65f6\u95f4t\u6c42\u4e24\u6b21\u5bfc\u6570\u5f97\u5230\u7684\u2202\u00b2f\/ 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class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/24829d29j00r4ijyg0006c0007g004bm.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8fd9\u7ec4\u65b9\u7a0b\u7684\u6765\u9f99\u53bb\u8109\u4e4b\u524d\u5df2\u7ecf\u505a\u4e86\u8be6\u7ec6\u7684\u4ecb\u7ecd\uff0c\u8fd9\u91cc\u4e0d\u518d\u591a\u8bf4\u3002\u8fd9\u7ec4\u65b9\u7a0b\u91cc\uff0cE\u8868\u793a\u7535\u573a\u5f3a\u5ea6\uff0cB\u8868\u793a\u78c1\u611f\u5e94\u5f3a\u5ea6\uff0c\u03c1\u8868\u793a\u7535\u8377\u5bc6\u5ea6\uff0cJ\u8868\u793a\u7535\u6d41\u5bc6\u5ea6\uff0c\u03b50\u548c\u03bc0\u5206\u522b\u8868\u793a\u771f\u7a7a\u4e2d\u7684\u4ecb\u7535\u5e38\u6570\u548c\u78c1\u5bfc\u7387\uff08\u90fd\u662f\u5e38\u6570\uff09\uff0c\u25bd\u662f\u77e2\u91cf\u5fae\u5206\u7b97\u5b50\uff0c\u25bd\u00b7\u548c\u25bd\u00d7\u5206\u522b\u8868\u793a\u6563\u5ea6\u548c\u65cb\u5ea6\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/ee3fc1a1j00r4ijyg0003c0005l0021m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u7684\u4efb\u52a1\uff0c\u5c31\u662f\u770b\u5982\u4f55\u4ece\u8fd9\u7ec4\u65b9\u7a0b\u91cc\u63a8\u51fa\u7535\u78c1\u6ce2\u7684\u65b9\u7a0b\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u5982\u679c\u771f\u7684\u80fd\u5f62\u6210\u6ce2\uff0c\u90a3\u4e48\u8fd9\u4e2a\u6ce2\u80af\u5b9a\u5c31\u8981\u5f80\u5916\u4f20\uff0c\u5728\u8fdc\u79bb\u4e86\u7535\u8377\u3001\u7535\u6d41\uff08\u4e5f\u5c31\u662f\u6ca1\u6709\u7535\u8377\u3001\u7535\u6d41\uff09\u7684\u5730\u65b9\u5b83\u8fd8\u80fd\u81ea\u5df1\u4f20\u64ad\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u5148\u8ba9\u7535\u8377\u5bc6\u5ea6\u03c1\u548c\u7535\u6d41\u5bc6\u5ea6J\u90fd\u7b49\u4e8e0\uff0c\u5f53\u03c1=0\uff0cJ=0\u65f6\uff0c\u6211\u4eec\u5f97\u5230\u7684\u5c31\u662f\u771f\u7a7a\u4e2d\u7684\u9ea6\u514b\u65af\u97e6\u65b9\u7a0b\u7ec4\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/5fdc1357j00r4ijyg0005c0005j0045m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6709\u4e9b\u4eba\u89c9\u5f97\u4f60\u600e\u4e48\u80fd\u8ba9\u7535\u8377\u5bc6\u5ea6\u03c1\u7b49\u4e8e0\u5462\uff1f\u8fd9\u6837\u7b2c\u4e00\u4e2a\u65b9\u7a0b\u5c31\u6210\u4e86\u7535\u573a\u7684\u6563\u5ea6\u25bd\u00b7E=0\uff0c\u90a3\u4e0d\u5c31\u7b49\u4e8e\u8bf4\u7535\u573a\u5f3a\u5ea6E\u7b49\u4e8e0\uff0c\u6ca1\u6709\u7535\u573a\u4e86\u4e48\uff1f\u6ca1\u6709\u7535\u573a\u8fd8\u600e\u4e48\u6765\u7684\u7535\u78c1\u6ce2\uff1f<\/p>\n\n\n\n<p>\u5f88\u591a\u4eba\u521d\u5b66\u8005\u90fd\u4f1a\u6709\u8fd9\u6837\u4e00\u79cd\u8bef\u89e3\uff1a\u597d\u50cf\u89c9\u5f97\u7535\u573a\u7684\u6563\u5ea6\u25bd\u00b7E\u7b49\u4e8e0\u4e86\uff0c\u90a3\u4e48\u5c31\u6ca1\u6709\u7535\u573a\u4e86\u3002\u5176\u5b9e\uff0c\u7535\u573a\u7684\u6563\u5ea6\u7b49\u4e8e0\uff0c\u53ea\u662f\u544a\u8bc9\u4f60\u901a\u8fc7\u5305\u542b\u8fd9\u4e00\u70b9\u7684\u65e0\u7a77\u5c0f\u66f2\u9762\u7684\u7535\u901a\u91cf\u4e3a0\uff0c\u7535\u901a\u91cf\u4e3a0\u4e0d\u4ee3\u8868\u7535\u573aE\u4e3a0\u554a\uff0c\u56e0\u4e3a\u6211\u53ef\u4ee5\u8fdb\u51fa\u8fd9\u4e2a\u66f2\u9762\u7684\u7535\u901a\u91cf\uff08\u7535\u573a\u7ebf\u7684\u6570\u91cf\uff09\u76f8\u7b49\u3002\u8fd9\u6837\u6709\u591a\u5c11\u6b63\u7684\u7535\u901a\u91cf\uff08\u8fdb\u53bb\u7684\u7535\u573a\u7ebf\u6570\u91cf\uff09\u5c31\u6709\u591a\u5c11\u8d1f\u7684\u7535\u901a\u91cf\uff08\u51fa\u6765\u7684\u7535\u573a\u7ebf\u6570\u91cf\uff09\uff0c\u8fdb\u51fa\u6b63\u8d1f\u62b5\u6d88\u4e86\uff0c\u6240\u4ee5\u603b\u7684\u7535\u901a\u91cf\u8fd8\u662f0\u3002\u4e8e\u662f\uff0c\u8fd9\u70b9\u7684\u6563\u5ea6\u25bd\u00b7E\u5c31\u53ef\u4ee5\u4e3a0\uff0c\u800c\u7535\u573a\u5f3a\u5ea6E\u5374\u4e0d\u4e3a0\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u4e2a\u5927\u5bb6\u4e00\u5b9a\u8981\u533a\u5206\u6e05\u695a\uff1a\u7535\u573aE\u7684\u6563\u5ea6\u4e3a0\u4e0d\u4ee3\u8868\u7535\u573aE\u4e3a0\uff0c\u5b83\u53ea\u662f\u8981\u6c42\u7535\u901a\u91cf\u4e3a0\u800c\u5df2\uff0c\u78c1\u573a\u4e5f\u4e00\u6837\u3002<\/p>\n\n\n\n<p>\u8fd9\u6837\u6211\u4eec\u518d\u6765\u5ba1\u89c6\u4e00\u4e0b\u771f\u7a7a\u4e2d\uff08\u03c1=0\uff0cJ=0\uff09\u7684\u9ea6\u514b\u65af\u97e6\u65b9\u7a0b\u7ec4\uff1a\u65b9\u7a0b1\u548c2\u544a\u8bc9\u6211\u4eec\u771f\u7a7a\u4e2d\u7535\u573a\u548c\u78c1\u573a\u7684\u6563\u5ea6\u4e3a0\uff0c\u65b9\u7a0b3\u548c4\u544a\u8bc9\u6211\u4eec\u7535\u573a\u548c\u78c1\u573a\u7684\u65cb\u5ea6\u7b49\u4e8e\u78c1\u573a\u548c\u7535\u573a\u7684\u53d8\u5316\u7387\u3002\u524d\u4e24\u4e2a\u65b9\u7a0b\u90fd\u662f\u72ec\u7acb\u7684\u63cf\u8ff0\u7535\u548c\u78c1\uff0c\u540e\u4e24\u4e2a\u65b9\u7a0b\u5219\u662f\u7535\u548c\u78c1\u4e4b\u95f4\u7684\u76f8\u4e92\u5173\u7cfb\u3002\u6211\u4eec\u9690\u9690\u7ea6\u7ea6\u4e5f\u80fd\u611f\u89c9\u5230\uff1a\u5982\u679c\u8981\u63a8\u5bfc\u51fa\u7535\u78c1\u6ce2\u7684\u65b9\u7a0b\uff0c\u4f60\u80af\u5b9a\u5f97\u628a\u4e0a\u9762\u51e0\u4e2a\u5f0f\u5b50\u7efc\u5408\u8d77\u6765\uff0c\u56e0\u4e3a\u6ce2\u662f\u8981\u5f80\u5916\u4f20\u7684\uff0c\u800c\u4f60\u4e0a\u9762\u5355\u72ec\u7684\u65b9\u7a0b\u90fd\u53ea\u662f\u63cf\u8ff0\u67d0\u4e00\u70b9\u7684\u65cb\u5ea6\u6216\u8005\u6563\u5ea6\u3002<\/p>\n\n\n\n<p>\u6709\u4e00\u4e2a\u5f88\u7b80\u5355\u7684\u628a\u5b83\u4eec\u90fd\u7efc\u5408\u5728\u4e00\u8d77\u7684\u65b9\u6cd5\uff1a\u5bf9\u65b9\u7a0b3\u548c\u65b9\u7a0b4\u4e24\u8fb9\u540c\u65f6\u518d\u53d6\u4e00\u6b21\u65cb\u5ea6\u3002<\/p>\n\n\n\n<p>\u65b9\u7a0b3\u7684\u5de6\u8fb9\u662f\u78c1\u573a\u7684\u65cb\u5ea6\u25bd\u00d7E\uff0c\u5bf9\u5b83\u518d\u53d6\u4e00\u6b21\u65cb\u5ea6\u5c31\u53d8\u6210\u4e86\u25bd\u00d7\uff08\u25bd\u00d7E\uff09\uff1b\u65b9\u7a0b3\u7684\u53f3\u8fb9\u662f\u78c1\u573a\u7684\u53d8\u5316\u7387\uff0c\u5bf9\u53f3\u8fb9\u53d6\u4e00\u6b21\u65cb\u5ea6\u4e5f\u53ef\u4ee5\u5f97\u5230\u78c1\u573aB\u7684\u65cb\u5ea6\u25bd\u00d7B\uff0c\u8fd9\u6837\u4e0d\u5c31\u521a\u597d\u8ddf\u65b9\u7a0b4\u8054\u7cfb\u8d77\u6765\u4e86\u4e48\uff1f\u5bf9\u65b9\u7a0b4\u4e24\u8fb9\u53d6\u65cb\u5ea6\u770b\u8d77\u6765\u4e5f\u4e00\u6837\uff0c\u8fd9\u770b\u8d77\u6765\u662f\u4e2a\u4e0d\u9519\u7684\u5146\u5934\u3002<\/p>\n\n\n\n<p>\u53ef\u80fd\u6709\u4e9b\u670b\u53cb\u4f1a\u6709\u4e00\u4e9b\u7591\u95ee\uff1a\u4f60\u51ed\u4ec0\u4e48\u5bf9\u65b9\u7a0b3\u548c4\u7684\u4e24\u8fb9\u53d6\u65cb\u5ea6\uff0c\u800c\u4e0d\u53d6\u6563\u5ea6\u5462\uff1f\u5982\u679c\u611f\u5174\u8da3\u4f60\u53ef\u4ee5\u4e24\u8fb9\u90fd\u53d6\u6563\u5ea6\u8bd5\u8bd5\uff0c\u4f60\u4f1a\u53d1\u73b0\u7535\u573aE\u7684\u65cb\u5ea6\u53d6\u6563\u5ea6\u25bd\u00b7\uff08\u25bd\u00d7E\uff09\u7684\u7ed3\u679c\u6052\u7b49\u4e8e0\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/5fdc1357j00r4ijyg0005c0005j0045m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e00\u70b9\u4f60\u770b\u65b9\u7a0b3 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class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/c1ac3754j00r4ijyg000dc000fa008sm.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u5927\u5bb6\u5bf9\u7740\u4e0a\u9762\u7684\u56fe\u7a0d\u5fae\u4e00\u60f3\u5c31\u4f1a\u660e\u767d\u3002\u800c\u4e14\uff0c\u65e2\u7136\u662f\u4f53\u79ef\uff0c\u90a3\u4e48\u4f60\u968f\u610f\u66f4\u6362\u5b83\u4eec\u7684\u987a\u5e8f\u80af\u5b9a\u90fd\u4e0d\u4f1a\u5f71\u54cd\u6700\u7ec8\u7684\u7ed3\u679c\u3002\u6211\u4eec\u771f\u6b63\u8981\u91cd\u70b9\u8003\u8651\u7684\uff0c\u8fd8\u662f\u77e2\u91cf\u4e09\u91cd\u79ef\u3002<\/p>\n\n\n\n<p>\u77e2\u91cf\u4e09\u91cd\u79efA\u00d7\uff08B\u00d7C\uff09\uff0c\u8ddf\u6211\u4eec\u4e0a\u9762\u8bf4\u7535\u573aE\u65cb\u5ea6\u7684\u65cb\u5ea6\u25bd\u00d7\uff08\u25bd\u00d7E\uff09\u5f62\u5f0f\u76f8\u8fd1\uff0c\u5bc6\u5207\u76f8\u5173\u3002\u5b83\u6ca1\u6709\u4e0a\u9762\u6807\u91cf\u4e09\u91cd\u79ef\u90a3\u6837\u7b80\u5355\u76f4\u89c2\u7684\u51e0\u4f55\u610f\u4e49\uff0c\u6211\u4eec\u597d\u50cf\u53ea\u80fd\u4ece\u6570\u5b66\u4e0a\u53bb\u63a8\u5bfc\uff0c\u8fd9\u4e2a\u63a8\u5bfc\u8fc7\u7a0b\uff0c\u54ce\uff0c\u6211\u8fd8\u662f\u76f4\u63a5\u5199\u7ed3\u679c\u5427\uff1a<\/p>\n\n\n\n<p>A\u00d7\uff08B\u00d7C\uff09=B\uff08A\u00b7C\uff09-C\uff08A\u00b7B\uff09\u3002<\/p>\n\n\n\n<p>\u7ed3\u679c\u662f\u8fd9\u4e48\u4e2a\u4e1c\u897f\uff0c\u662f\u4e0d\u662f\u5f88\u96be\u770b\uff1f\u55ef\uff0c\u786e\u5b9e\u6709\u70b9\u4e11\u3002\u4e0d\u8fc7\u8bb0\u8fd9\u4e2a\u516c\u5f0f\u6709\u4e2a\u7b80\u5355\u7684\u53e3\u8bc0\uff1a\u8fdc\u4ea4\u8fd1\u653b\u3002\u4ec0\u4e48\u53eb\u8fdc\u4ea4\u8fd1\u653b\u5462\uff1f\u5f53\u5e74\u79e6\u76f8\u8303\u96ce\uff0c\u554a\u4e0d\uff0cA\u00d7\uff08B\u00d7C\uff09\u91cc\u7684A\u8ddd\u79bbB\u8fd1\u4e00\u4e9b\uff0c\u8ddd\u79bbC\u8fdc\u4e00\u4e9b\uff0c\u6240\u4ee5A\u8981\u8054\u5408C\uff08A\u00b7C\u524d\u9762\u7684\u7b26\u53f7\u662f\u6b63\u53f7\uff09\u653b\u6253B\uff08A\u00b7B\u524d\u9762\u7684\u7b26\u53f7\u662f\u8d1f\u53f7\uff09\uff0c\u8fd9\u6837\u8fd9\u4e2a\u516c\u5f0f\u5c31\u597d\u8bb0\u4e86\uff0c\u611f\u5174\u8da3\u7684\u53ef\u4ee5\u81ea\u5df1\u53bb\u5b8c\u6210\u63a8\u5bfc\u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>12\u65cb\u5ea6\u7684\u65cb\u5ea6<\/p>\n\n\n\n<p>\u6709\u4e86\u77e2\u91cf\u4e09\u91cd\u79ef\u7684\u516c\u5f0f\uff0c\u6211\u4eec\u5c31\u6765\u4f9d\u6837\u753b\u846b\u82a6\uff0c\u6765\u5957\u4e00\u5957\u7535\u573aE\u7684\u65cb\u5ea6\u7684\u65cb\u5ea6\u25bd\u00d7\uff08\u25bd\u00d7E\uff09\u3002\u6211\u4eec\u5bf9\u6bd4\u4e00\u4e0b\u8fd9\u4e24\u4e2a\u5f0f\u5b50A\u00d7\uff08B\u00d7C\uff09\u548c\u25bd\u00d7\uff08\u25bd\u00d7E\uff09\uff0c\u597d\u50cf\u53ea\u8981\u628aA\u548cB\u90fd\u6362\u6210\u25bd\uff0c\u628aC\u6362\u6210E\u5c31\u884c\u4e86\u3002\u90a3\u4e48\uff0c\u77e2\u91cf\u4e09\u91cd\u79ef\u7684\u516c\u5f0f\uff08A\u00d7\uff08B\u00d7C\uff09=B\uff08A\u00b7C\uff09-C\uff08A\u00b7B\uff09\uff09\u5c31\u53d8\u6210\u4e86\uff1a<\/p>\n\n\n\n<p>\u25bd\u00d7\uff08\u25bd\u00d7E\uff09=\u25bd\uff08\u25bd\u00b7E\uff09-E\uff08\u25bd\u00b7\u25bd\uff09\u3002<\/p>\n\n\n\n<p>\u55ef\uff0c\u25bd\uff08\u25bd\u00b7E\uff09\u8868\u793a\u7535\u573aE\u7684\u6563\u5ea6\u7684\u68af\u5ea6\uff0c\u6563\u5ea6\u25bd\u00b7E\u7684\u7ed3\u679c\u662f\u4e00\u4e2a\u6807\u91cf\uff0c\u6807\u91cf\u7684\u68af\u5ea6\u7684\u6709\u610f\u4e49\u7684\uff0c\u4f46\u662f\u540e\u9762\u90a3\u4e2aE\uff08\u25bd\u00b7\u25bd\uff09\u662f\u4ec0\u4e48\u9b3c\uff1f\u4e24\u4e2a\u25bd\u7b97\u5b50\u6324\u5728\u4e00\u8d77\uff0c\u4e2d\u95f4\u8fd8\u662f\u4e00\u4e2a\u70b9\u4e58\u7684\u7b26\u53f7\uff0c\u770b\u8d77\u6765\u597d\u50cf\u662f\u5728\u6c42\u25bd\u7684\u6563\u5ea6\uff08\u25bd\u00b7\uff09\uff0c\u53ef\u662f\u25bd\u662f\u4e00\u4e2a\u7b97\u5b50\uff0c\u53c8\u4e0d\u662f\u4e00\u4e2a\u77e2\u91cf\u51fd\u6570\uff0c\u4f60\u600e\u4e48\u6c42\u5b83\u7684\u6563\u5ea6\uff1f\u800c\u4e14\u4e24\u4e2a\u25bd\u524d\u9762\u6709\u4e00\u4e2a\u7535\u573aE\uff0c\u600e\u4e48E\u8fd8\u8dd1\u5230\u25bd\u7b97\u5b50\u7684\u524d\u9762\u53bb\u4e86\uff1f<\/p>\n\n\n\n<p>\u6211\u4eec\u518d\u770b\u4e00\u4e0b\u77e2\u91cf\u4e09\u91cd\u79ef\u7684\u516c\u5f0f\u7684\u540e\u9762\u4e00\u9879C\uff08A\u00b7B\uff09\u3002\u8fd9\u4e2a\u5f0f\u5b50\u7684\u610f\u601d\u662f\u77e2\u91cfA\u548cB\u5148\u8fdb\u884c\u70b9\u4e58\uff0c\u70b9\u4e58\u7684\u7ed3\u679cA\u00b7B\u662f\u4e00\u4e2a\u6807\u91cf\uff0c\u7136\u540e\u8fd9\u4e2a\u6807\u91cf\u518d\u8ddf\u77e2\u91cfC\u76f8\u4e58\u3002\u5f88\u663e\u7136\u7684\uff0c\u5982\u679c\u662f\u4e00\u4e2a\u6807\u91cf\u548c\u4e00\u4e2a\u77e2\u91cf\u76f8\u4e58\uff0c\u90a3\u4e48\u8fd9\u4e2a\u6807\u91cf\u653e\u5728\u77e2\u91cf\u7684\u524d\u9762\u540e\u9762\u90fd\u65e0\u6240\u8c13\uff083C=C3\uff09\uff0c\u4e5f\u5c31\u662f\u8bf4C\uff08A\u00b7B\uff09=\uff08A\u00b7B\uff09C\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\uff0c\u540c\u6837\u7684\uff0cE\uff08\u25bd\u00b7\u25bd\uff09\u5c31\u53ef\u4ee5\u6362\u6210\uff08\u25bd\u00b7\u25bd\uff09E\uff0c\u800c\u5b83\u8fd8\u53ef\u4ee5\u5199\u6210\u25bd\u00b2E\uff0c\u8fd9\u6837\u5c31\u7275\u626f\u51fa\u4e86\u53e6\u4e00\u4e2a\u5927\u540d\u9f0e\u9f0e\u7684\u4e1c\u897f\uff1a\u62c9\u666e\u62c9\u65af\u7b97\u5b50\u25bd\u00b2\u3002<\/p>\n\n\n\n<p>13\u62c9\u666e\u62c9\u65af\u7b97\u5b50\u25bd\u00b2<\/p>\n\n\n\n<p>\u62c9\u666e\u62c9\u65af\u7b97\u5b50\u25bd\u00b2\u5728\u7269\u7406\u5b66\u754c\u53ef\u8c13\u5927\u540d\u9f0e\u9f0e\uff0c\u5b83\u770b\u8d77\u6765\u597d\u50cf\u662f\u54c8\u5bc6\u987f\u7b97\u5b50\u25bd\u7684\u5e73\u65b9\uff0c\u5176\u5b9e\u5b83\u7684\u5b9a\u4e49\u662f\u68af\u5ea6\u7684\u6563\u5ea6\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5047\u8bbe\u7a7a\u95f4\u4e0a\u4e00\u70b9\uff08x,y,z\uff09\u7684\u6e29\u5ea6\u7531T\uff08x,y,z\uff09\u6765\u8868\u793a\uff0c\u90a3\u4e48\u8fd9\u4e2a\u6e29\u5ea6\u51fd\u6570T\uff08x,y,z\uff09\u5c31\u662f\u4e00\u4e2a\u6807\u91cf\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u5b83\u53d6\u68af\u5ea6\u25bdT\uff0c\u56e0\u4e3a\u68af\u5ea6\u662f\u4e00\u4e2a\u77e2\u91cf\uff08\u68af\u5ea6\u6709\u65b9\u5411\uff0c\u6307\u5411\u53d8\u5316\u6700\u5feb\u7684\u90a3\u4e2a\u65b9\u5411\uff09\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u518d\u5bf9\u5b83\u53d6\u6563\u5ea6\u25bd\u00b7\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5229\u7528\u6211\u4eec\u5728\u5fae\u5206\u7bc7\u5b66\u7684\u25bd\u7b97\u5b50\u7684\u5c55\u5f00\u5f0f\u548c\u77e2\u91cf\u5750\u6807\u4e58\u6cd5\u7684\u89c4\u5219\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u628a\u6e29\u5ea6\u51fd\u6570T\uff08x,y,z\uff09\u7684\u68af\u5ea6\u7684\u6563\u5ea6\uff08\u4e5f\u5c31\u662f\u25bd\u00b2T\uff09\u8868\u793a\u51fa\u6765\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/7a1e6200j00r4ijyg000ec000h1004vm.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u518d\u5bf9\u6bd4\u4e00\u4e0b\u4e09\u7ef4\u7684\u25bd\u7b97\u5b50\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/1eff4a93j00r4ijyg0003c0007q0021m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6240\u4ee5\uff0c\u6211\u4eec\u628a\u4e0a\u9762\u7684\u7ed3\u679c\uff08\u68af\u5ea6\u7684\u6563\u5ea6\uff09\u5199\u6210\u25bd\u00b2\u4e5f\u662f\u975e\u5e38\u5bb9\u6613\u7406\u89e3\u7684\uff0c\u5b83\u8ddf\u25bd\u7b97\u5b50\u7684\u5dee\u522b\u4e5f\u5c31\u662f\u6bcf\u9879\u591a\u4e86\u4e00\u4e2a\u5e73\u65b9\u3002\u4e8e\u662f\uff0c\u62c9\u666e\u62c9\u65af\u7b97\u5b50\u25bd\u00b2\u5c31\u81ea\u7136\u53ef\u4ee5\u5199\u6210\u8fd9\u6837\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/d60985e2j00r4ijyg0004c0007o0027m.jpg\" 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class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/5fdc1357j00r4ijyg0005c0005j0045m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u5b83\u7684\u7b2c\u4e09\u4e2a\u65b9\u7a0b\uff0c\u4e5f\u5c31\u662f\u6cd5\u62c9\u7b2c\u5b9a\u5f8b\u662f\u8fd9\u6837\u8868\u793a\u7684\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/334a612ej00r4ijyg0002c00053001xm.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6211\u4eec\u5bf9\u8fd9\u4e2a\u516c\u5f0f\u4e24\u8fb9\u90fd\u53d6\u65cb\u5ea6\uff0c\u5de6\u8fb9\u5c31\u662f\u4e0a\u9762\u7684\u7ed3\u8bba\uff0c\u53f3\u8fb9\u65e0\u975e\u5c31\u662f\u5bf9\u78c1\u611f\u5e94\u5f3a\u5ea6B\u53d6\u4e2a\u65cb\u5ea6\uff0c\u5373\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/93b48287j00r4ijyg0004c000a3001xm.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u4f60\u770b\u770b\u8fd9\u51e0\u9879\uff0c\u518d\u770b\u770b\u771f\u7a7a\u4e2d\u7684\u9ea6\u514b\u65af\u97e6\u65b9\u7a0b\u7ec4\uff1a\u65b9\u7a0b1\u544a\u8bc9\u6211\u4eec\u25bd\u00b7E=0\uff0c\u65b9\u7a0b4\u544a\u8bc9\u6211\u4eec\u25bd\u00d7B=\u03bc0\u03b50\uff08\u2202E\/ \u2202t\uff09\uff0c\u6211\u4eec\u628a\u8fd9\u4e24\u9879\u4ee3\u5165\u5230\u4e0a\u9762\u7684\u5f0f\u5b50\u4e2d\u53bb\uff0c\u90a3\u7ed3\u679c\u81ea\u7136\u5c31\u53d8\u6210\u4e86\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/99b937a9j00r4ijyg0004c0008n0023m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u03bc0\u3001\u03b50\u90fd\u662f\u5e38\u6570\uff0c\u90a3\u53f3\u8fb9\u81ea\u7136\u5c31\u53d8\u6210\u4e86\u5bf9\u7535\u573aE\u6c42\u4e24\u6b21\u504f\u5bfc\u3002\u518d\u628a\u8d1f\u53f7\u6574\u7406\u4e00\u4e0b\uff0c\u6700\u540e\u7684\u5f0f\u5b50\u5c31\u662f\u8fd9\u6837\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/1c2f3599j00r4ijyg0003c0005g0021m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u55ef\uff0c\u4e8e\u662f\u6211\u4eec\u5c31\u795e\u5947\u822c\u7684\u628a\u78c1\u611f\u5e94\u5f3a\u5ea6B\u6d88\u6389\u4e86\uff0c\u8ba9\u8fd9\u4e2a\u65b9\u7a0b\u53ea\u5305\u542b\u7535\u573aE\u3002\u6211\u4eec\u518d\u5bf9\u6bd4\u4e00\u4e0b\u6211\u4eec\u4e4b\u524d\u5520\u53e8\u4e86\u90a3\u4e48\u591a\u5f97\u51fa\u7684\u7ecf\u5178\u6ce2\u52a8\u65b9\u7a0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/8578c49cj00r4ijyg0003c0004u0021m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6211\u4eec\u5728\u63a8\u5bfc\u7ecf\u5178\u6ce2\u52a8\u65b9\u7a0b\u7684\u65f6\u5019\u53ea\u8003\u8651\u4e86\u4e00\u7ef4\u7684\u60c5\u51b5\uff0c\u56e0\u4e3a\u6211\u4eec\u53ea\u8003\u8651\u6ce2\u6cbf\u7740\u7ef3\u5b50\u8fd9\u4e00\u4e2a\u7ef4\u5ea6\u4f20\u64ad\u7684\u60c5\u51b5\uff0c\u6240\u4ee5\u6211\u4eec\u7684\u7ed3\u679c\u91cc\u53ea\u6709\u2202\u00b2f\/ \u2202x\u00b2\u8fd9\u4e00\u9879\u3002\u5982\u679c\u6211\u4eec\u8003\u8651\u4e09\u7ef4\u7684\u60c5\u51b5\uff0c\u90a3\u4e48\u4e0d\u96be\u60f3\u8c61\u6ce2\u52a8\u65b9\u7a0b\u7684\u5de6\u8fb9\u5e94\u8be5\u5199\u6210\u4e09\u9879\uff0c\u8fd9\u4e09\u9879\u521a\u597d\u5c31\u662ff\u7684\u4e09\u7ef4\u62c9\u666e\u62c9\u65af\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/7306574fj00r4ijyg0004c000840027m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6240\u4ee5\u6211\u4eec\u7684\u7ecf\u5178\u6ce2\u52a8\u65b9\u7a0b\u5176\u5b9e\u53ef\u4ee5\u7528\u62c9\u666e\u62c9\u65af\u7b97\u5b50\u5199\u6210\u5982\u4e0b\u66f4\u666e\u9002\u7684\u5f62\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/0547c730j00r4ijyg0002c0004r0021m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u518d\u770b\u770b\u6211\u4eec\u521a\u521a\u4ece\u9ea6\u514b\u65af\u97e6\u65b9\u7a0b\u7ec4\u4e2d\u5f97\u5230\u7684\u7535\u573a\u65b9\u7a0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/1c2f3599j00r4ijyg0003c0005g0021m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u55ef\uff0c\u6211\u4eec\u63a8\u51fa\u7684\u7535\u573a\u7684\u65b9\u7a0b\u8ddf\u7ecf\u5178\u6ce2\u52a8\u65b9\u7a0b\u7684\u5f62\u5f0f\u662f\u4e00\u6a21\u4e00\u6837\u7684\uff0c\u73b0\u5728\u6211\u4eec\u8bf4\u7535\u573aE\u662f\u4e00\u4e2a\u6ce2\uff0c\u4f60\u8fd8\u6709\u4efb\u4f55\u5f02\u8bae\u4e48\uff1f<\/p>\n\n\n\n<p>\u6211\u4eec\u628a\u7535\u573aE\u53d8\u6210\u4e86\u4e00\u4e2a\u72ec\u7acb\u7684\u65b9\u7a0b\uff0c\u4ee3\u4ef7\u662f\u8fd9\u4e2a\u65b9\u7a0b\u53d8\u6210\u4e86\u4e8c\u9636\uff08\u65b9\u7a0b\u51fa\u73b0\u4e86\u5e73\u65b9\u9879\uff09\u7684\u3002\u5bf9\u4e8e\u78c1\u573a\uff0c\u4e00\u6837\u7684\u64cd\u4f5c\uff0c\u6211\u4eec\u5bf9\u771f\u7a7a\u4e2d\u9ea6\u514b\u65af\u97e6\u65b9\u7a0b\u7ec4\u7684\u65b9\u7a0b4\uff08\u25bd\u00d7B=\u03bc0\u03b50\uff08\u2202E\/ 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alt=\"\"\/><\/figure>\n\n\n\n<p>15\u7535\u78c1\u6ce2\u7684\u901f\u5ea6<\/p>\n\n\n\n<p>\u5bf9\u6bd4\u4e00\u4e0b\u7535\u573a\u548c\u78c1\u573a\u7684\u6ce2\u52a8\u65b9\u7a0b\uff0c\u4f60\u4f1a\u53d1\u73b0\u5b83\u4eec\u662f\u5f62\u5f0f\u662f\u4e00\u6a21\u4e00\u6837\u7684\uff08\u5c31\u662f\u628aE\u548cB\u4e92\u6362\u4e86\u4e00\u4e0b\uff09\uff0c\u8fd9\u6837\uff0c\u5b83\u4eec\u7684\u6ce2\u901f\u4e5f\u5e94\u8be5\u662f\u4e00\u6837\u7684\u3002\u5bf9\u6bd4\u4e00\u4e0b\u7ecf\u5178\u6ce2\u52a8\u65b9\u7a0b\u7684\u901f\u5ea6\u9879\uff0c\u7535\u78c1\u6ce2\u7684\u901f\u5ea6v\u81ea\u7136\u5c31\u662f\u8fd9\u6837\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/c6bc4b0dj00r4ijyg0001c0003t0023m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6211\u4eec\u53bb\u67e5\u4e00\u4e0b\u03bc0\u3001\u03b50\u7684\u6570\u503c\uff0c\u03bc0=4\u03c0\u00d710^-7N\/A\u00b2\uff0c\u03b50=8.854187818\u00d710^ -12 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alt=\"\"\/><\/figure>\n\n\n\n<p>\u5f53\u7136\uff0c\u201c\u5149\u662f\u4e00\u79cd\u7535\u78c1\u6ce2\u201d\u5728\u6211\u4eec\u73b0\u5728\u770b\u6765\u5e76\u4e0d\u7a00\u5947\uff0c\u4f46\u662f\u4f60\u56de\u987e\u4e00\u4e0b\u5386\u53f2\uff1a\u79d1\u5b66\u5bb6\u4eec\u662f\u5728\u7814\u7a76\u5404\u79cd\u7535\u73b0\u8c61\u7684\u65f6\u5019\u5f15\u5165\u4e86\u771f\u7a7a\u4ecb\u7535\u5e38\u6570\u03b50\uff0c\u5728\u7814\u7a76\u78c1\u94c1\u7684\u65f6\u5019\u5f15\u5165\u4e86\u771f\u7a7a\u78c1\u5bfc\u7387\u03bc0\uff0c\u5b83\u4eec\u538b\u6839\u5c31\u8ddf\u5149\u65e0\u5173\u3002\u9ea6\u514b\u65af\u97e6\u57fa\u4e8e\u7406\u8bba\u7684\u7f8e\u5b66\u548c\u4ed6\u60ca\u4eba\u7684\u6570\u5b66\u624d\u80fd\uff0c\u63d0\u51fa\u4e86\u4f4d\u79fb\u7535\u6d41\u5047\u8bf4\uff08\u4ece\u63a8\u5bfc\u91cc\u6211\u4eec\u4e5f\u53ef\u4ee5\u770b\u5230\uff1a\u5982\u679c\u6ca1\u6709\u9ea6\u514b\u65af\u97e6\u52a0\u5165\u7684\u4f4d\u79fb\u7535\u6d41\u8fd9\u4e00\u9879\uff0c\u662f\u4e0d\u4f1a\u6709\u7535\u78c1\u6ce2\u7684\uff09\uff0c\u9884\u8a00\u4e86\u7535\u78c1\u6ce2\uff0c\u7136\u540e\u53d1\u73b0\u7535\u78c1\u6ce2\u7684\u901f\u5ea6\u53ea\u8ddf\u03bc0\u3001\u03b50\u76f8\u5173\uff0c\u8fd8\u521a\u597d\u5c31\u7b49\u4e8e\u4eba\u4eec\u6d4b\u91cf\u7684\u5149\u901f\uff0c\u8fd9\u5982\u4f55\u80fd\u4e0d\u8ba9\u4eba\u9707\u60ca\uff1f<\/p>\n\n\n\n<p>\u9ea6\u514b\u65af\u97e6\u4e00\u76f4\u4ee5\u4e3a\u81ea\u5df1\u5728\u7814\u7a76\u7535\u78c1\u7406\u8bba\uff0c\u4f46\u662f\u5f53\u4ed6\u7684\u7535\u78c1\u5927\u53a6\u843d\u6210\u65f6\uff0c\u4ed6\u5374\u610f\u5916\u5730\u53d1\u73b0\u5149\u7684\u95ee\u9898\u4e5f\u88ab\u987a\u624b\u89e3\u51b3\u4e86\uff0c\u539f\u6765\u4ed6\u4e00\u76f4\u5728\u76d6\u7684\u662f\u7535\u78c1\u5149\u5927\u53a6\u3002\u641e\u7406\u8bba\u7814\u7a76\u8fd8\u53ef\u4ee5\u4e70\u4e8c\u9001\u4e00\uff0c\u6253\u6298\u4fc3\u9500\u529b\u5ea6\u5982\u6b64\u4e4b\u5927\uff0c\u60ca\u4e0d\u60ca\u559c\uff0c\u610f\u4e0d\u610f\u5916\uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/dingyue.ws.126.net\/2021\/1222\/154cdbbaj00r4ijyg000uc000hs00b4m.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u603b\u4e4b\uff0c\u9ea6\u514b\u65af\u97e6\u76f8\u4fe1\u81ea\u5df1\u7684\u65b9\u7a0b\uff0c\u76f8\u4fe1\u5149\u662f\u4e00\u79cd\u7535\u78c1\u6ce2\uff0c\u5f53\u8d6b\u5179\u6700\u7ec8\u5728\u5b9e\u9a8c\u5ba4\u91cc\u53d1\u73b0\u4e86\u7535\u78c1\u6ce2\uff0c\u5e76\u8bc1\u5b9e\u5b83\u7684\u901f\u5ea6\u786e\u5b9e\u7b49\u4e8e\u5149\u901f\u4e4b\u540e\uff0c\u9ea6\u514b\u65af\u97e6\u548c\u4ed6\u7684\u7406\u8bba\u83b7\u5f97\u4e86\u65e0\u4e0a\u7684\u8363\u8000\u3002\u7231\u56e0\u65af\u5766\u540e\u6765\u5374\u56e0\u4e3a\u4e0d\u592a\u76f8\u4fe1\u81ea\u5df1\u7684\u65b9\u7a0b\uff08\u8ba4\u4e3a\u5b87\u5b99\u4e0d\u53ef\u80fd\u5728\u81a8\u80c0\uff09\u8f6c\u800c\u53bb\u4fee\u6539\u4e86\u5b83\uff0c\u4e8e\u662f\u4ed6\u5c31\u9519\u5931\u4e86\u9884\u8a00\u5b87\u5b99\u81a8\u80c0\u7684\u673a\u4f1a\u3002\u5f53\u540e\u6765\u54c8\u52c3\u7528\u671b\u8fdc\u955c\u89c2\u6d4b\u5230\u5b87\u5b99\u786e\u5b9e\u5728\u81a8\u80c0\u65f6\uff0c\u7231\u56e0\u65af\u5766\u4e3a\u6b64\u61ca\u607c\u4e0d\u5df2\u3002<\/p>\n\n\n\n<p>16\u7ed3\u8bed<\/p>\n\n\n\n<p>\u56de\u987e\u4e00\u4e0b\u7535\u78c1\u6ce2\u7684\u63a8\u5bfc\u8fc7\u7a0b\uff0c\u6211\u4eec\u5c31\u662f\u5728\u771f\u7a7a\u9ea6\u514b\u65af\u97e6\u65b9\u7a0b\u7ec4\u7684\u65b9\u7a0b3\u548c\u65b9\u7a0b4\u7684\u4e24\u8fb9\u53d6\u65cb\u5ea6\uff0c\u7136\u540e\u5c31\u5f88\u81ea\u7136\u7684\u5f97\u51fa\u4e86\u7535\u78c1\u6ce2\u7684\u65b9\u7a0b\uff0c\u7136\u540e\u5f97\u5230\u4e86\u7535\u78c1\u6ce2\u7684\u901f\u5ea6\u7b49\u4e8e\u5149\u901fc\u3002\u8fd9\u91cc\u6709\u4e00\u4e2a\u5f88\u5173\u952e\u7684\u95ee\u9898\uff1a\u8fd9\u4e2a\u7535\u78c1\u6ce2\u7684\u901f\u5ea6\u662f\u8c01\u7684\uff1f\u76f8\u5bf9\u54ea\u4e2a\u53c2\u8003\u7cfb\u800c\u8a00\u7684\uff1f<\/p>\n\n\n\n<p>\u5728\u725b\u987f\u529b\u5b66\u91cc\uff0c\u6211\u4eec\u8bf4\u4e00\u4e2a\u7269\u4f53\u7684\u901f\u5ea6\uff0c\u80af\u5b9a\u662f\u76f8\u5bf9\u67d0\u4e2a\u53c2\u8003\u7cfb\u800c\u8a00\u7684\u3002\u4f60\u8bf4\u9ad8\u94c1\u7684\u901f\u5ea6\u662f300km\/h\uff0c\u8fd9\u662f\u76f8\u5bf9\u5730\u9762\u7684\uff0c\u4f60\u76f8\u5bf9\u592a\u9633\u90a3\u901f\u5ea6\u5c31\u5927\u4e86\u3002\u8fd9\u4e2a\u9053\u7406\u5728\u6211\u4eec\u524d\u9762\u8ba8\u8bba\u7684\u6ce2\u90a3\u91cc\u4e5f\u4e00\u6837\uff0c\u6211\u4eec\u8bf4\u6ce2\u7684\u901f\u5ea6\u4e00\u822c\u90fd\u662f\u8fd9\u4e2a\u6ce2\u76f8\u5bf9\u4e8e\u5b83\u6240\u5728\u4ecb\u8d28\u7684\u901f\u5ea6\uff1a\u6bd4\u5982\u7ef3\u5b50\u4e0a\u7684\u6ce2\u901a\u8fc7\u7ef3\u5b50\u4f20\u64ad\uff0c\u8fd9\u4e2a\u901f\u5ea6\u5c31\u662f\u76f8\u5bf9\u4e8e\u7ef3\u5b50\u800c\u8a00\u7684\uff1b\u6c34\u6ce2\u662f\u5728\u6ce2\u5728\u6c34\u91cc\u4f20\u64ad\uff0c\u90a3\u4e48\u8fd9\u4e2a\u901f\u5ea6\u5c31\u662f\u76f8\u5bf9\u6c34\u800c\u8a00\u7684\uff1b\u58f0\u6ce2\u662f\u6ce2\u5728\u7a7a\u6c14\u91cc\u4f20\u64ad\uff08\u771f\u7a7a\u4e2d\u542c\u4e0d\u5230\u58f0\u97f3\uff09\uff0c\u58f0\u6ce2\u7684\u901f\u5ea6\u5c31\u81ea\u7136\u662f\u76f8\u5bf9\u7a7a\u6c14\u7684\u901f\u5ea6\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\uff0c\u7535\u78c1\u6ce2\u5462\uff0c\u4ece\u9ea6\u514b\u65af\u97e6\u65b9\u7a0b\u7ec4\u63a8\u5bfc\u51fa\u7684\u7535\u78c1\u6ce2\u7684\u901f\u5ea6\u662f\u76f8\u5bf9\u8c01\u7684\uff1f\u6c34\uff1f\u7a7a\u6c14\uff1f\u663e\u7136\u90fd\u4e0d\u662f\uff0c\u56e0\u4e3a\u7535\u78c1\u6ce2\u5e76\u4e0d\u9700\u8981\u6c34\u6216\u8005\u7a7a\u6c14\u8fd9\u79cd\u5b9e\u4f53\u4ecb\u8d28\u624d\u80fd\u4f20\u64ad\uff0c\u5b83\u5728\u771f\u7a7a\u4e2d\u4e5f\u80fd\u4f20\u64ad\uff0c\u4e0d\u7136\u4f60\u662f\u600e\u4e48\u770b\u5230\u592a\u9633\u5149\u548c\u5b87\u5b99\u6df1\u5904\u7684\u661f\u5149\u7684\uff1f\u800c\u4e14\u6211\u4eec\u5728\u63a8\u5bfc\u7535\u78c1\u6ce2\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u6839\u672c\u6ca1\u6709\u9884\u8bbe\u4efb\u4f55\u53c2\u8003\u7cfb\u3002<\/p>\n\n\n\n<p>\u4e8e\u662f\u5f53\u65f6\u7684\u7269\u7406\u5b66\u5bb6\u4eec\u5c31\u5047\u8bbe\u7535\u78c1\u6ce2\u7684\u4ecb\u8d28\u662f\u4e00\u79cd\u904d\u5e03\u7a7a\u95f4\u7684\u53eb\u505a\u201c\u4ee5\u592a\u201d\u7684\u4e1c\u897f\uff0c\u4e8e\u662f\u5927\u5bb6\u5f00\u59cb\u53bb\u5bfb\u627e\u4ee5\u592a\uff0c\u4f46\u662f\u600e\u4e48\u627e\u90fd\u627e\u4e0d\u5230\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u7535\u78c1\u6ce2\u7684\u53d1\u73b0\u6781\u5927\u5730\u652f\u6301\u4e86\u9ea6\u514b\u65af\u97e6\u7684\u7535\u78c1\u7406\u8bba\uff0c\u4f46\u662f\u5b83\u8ddf\u725b\u987f\u529b\u5b66\u4e4b\u95f4\u5374\u5b58\u5728\u7740\u6839\u672c\u77db\u76fe\uff0c\u8fd9\u79cd\u60c5\u51b5\u50cf\u6781\u4e86\u73b0\u5728\u5e7f\u4e49\u76f8\u5bf9\u8bba\u548c\u91cf\u5b50\u529b\u5b66\u4e4b\u95f4\u7684\u77db\u76fe\u3002\u600e\u4e48\u529e\u5462\uff1f<\/p>\n\n\n\n<p>1879\u5e74\uff0c\u9ea6\u514b\u65af\u97e6\u53bb\u4e16\uff0c\u540c\u5e74\uff0c\u7231\u56e0\u65af\u5766\u964d\u751f\uff0c\u8fd9\u4eff\u4f5b\u662f\u4e24\u4ee3\u4f1f\u4eba\u7684\u4e00\u4e2a\u4ea4\u63a5\u4eea\u5f0f\u3002\u9ea6\u514b\u65af\u97e6\u7535\u78c1\u7406\u8bba\u4e0e\u725b\u987f\u529b\u5b66\u4e4b\u95f4\u7684\u77db\u76fe\uff0c\u4ee5\u53ca\u201c\u4ee5\u592a\u201d\u8fd9\u4e2a\u5927\u5751\u90fd\u88ab\u5e74\u8f7b\u7684\u7231\u56e0\u65af\u5766\u641e\u5b9a\u4e86\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The content above (including the pictures and videos if any) is uploaded and posted by a user of NetEase Hao, which is a social media platform and only provides information storage services.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b87\u5b99\u65f6\u7a7a2021-12-22 19:02 \u5927\u5bb6\u90fd\u77e5 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