{"id":1201,"date":"2010-07-15T12:28:00","date_gmt":"2010-07-15T04:28:00","guid":{"rendered":""},"modified":"2013-11-15T21:53:55","modified_gmt":"2013-11-15T13:53:55","slug":"ml%e4%b8%80%e5%b0%8f%e6%97%b6%e6%84%8f%e5%91%b3%e7%9d%80%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/1201.html","title":{"rendered":"ML\u4e00\u5c0f\u65f6\u610f\u5473\u7740\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p>\u5475\u5475\uff0c\u521a\u521a\u548c\u5973\u53cb\u505a\u5b8c\uff0c65\u5206\u949f\uff0c\u770b\u8868\u505a\u7684\uff0c\u4e0d\u5305\u62ec\u524d\u620f\uff0c\u9891\u7387\u5e73\u5747\u6bcf\u5206\u949f150\u4e0b\u3002\u8981\u4e0d\u662f\u5979\u50ac\u7740\u8981\u53bb\u5403\u4e1c\u897f\uff0c\u6211\u771f\u7684\u4e0d\u77e5\u8fd8\u80fd\u505a\u591a\u4e45\u3002\u8fd9\u4e8b\u513f\u7528\u4e0d\u7740\u8bf4\u5047\uff0c\u53c8\u6ca1\u6709\u5956\u54c1\u5f97\u3002\u505a\u5b8c\u51fa\u53bb\u5403\u4e86\u4e00\u5927\u7897\u6df7\u9968\u3002\u4ee5\u524d\u6709\u8fc7\u4e24\u4e2a\u591a\u5c0f\u65f6\u7684\u8bb0\u5f55\uff0c\u90a3\u6b21\u628a\u5305P\u90fd\u5f04\u9752\u4e86\uff0c\u6700\u540e\u8fd8\u662f\u4e0d\u80fdS\uff0c\u4e24\u4e2a\u4eba\u90fd\u89c9\u5f97\u6ca1\u4ec0\u4e48\u610f\u601d\u4e86\uff0c\u5c31\u6ca1\u7ee7\u7eed\u4e86\u3002\u4e0d\u8fc7\u5e73\u65f6\u4e5f\u5c31\u534a\u4e2a\u5c0f\u65f6\u7684\u6837\u5b50\uff0c\u53ea\u8981\u5973\u670b\u53cb\u8bf4\u5979\u5403\u9971\u4e86\u6211\u5c31\u4e0d\u7ee7\u7eed\u4e86\u3002\u5979\u7684\u5feb\u4e50\u5c31\u662f\u6211\u7684\u5feb\u4e50\u3002<\/p>\n<div>\n<p>\u8fd9\u65b9\u9762\u6211\u786e\u5b9e\u6709\u4e00\u4e9b\u7ecf\u9a8c\u548c\u6280\u5de7\uff0c\u4ee5\u540e\u8ddf\u5927\u5bb6\u8bf4\u8bf4\uff0c\u5e94\u8be5\u8bf4ML\u4e5f\u662f\u4e2a\u7cfb\u7edf\u5de5\u7a0b\uff0c\u5475\u5475\u3002<\/p>\n<p>\u5f3a\u56de\u5f00\u59cb<\/p>\n<p>\u4e8c\u697c:<\/p>\n<p>\u4e00\u5206\u949f=60\u79d2<br \/>\n150\/60=2.5\u6b21\/\u79d2<br \/>\n2.5*65*60=9750\u6b21<br \/>\n\u5957\u7528\u661f\u7237\u90a3\u53e5\u8bdd:\u6211\u5bf9\u697c\u4e3b\u7684\u656c\u4ef0\u5c24\u5982\u6d9b\u6d9b\u6c5f\u6c34\u8fde\u7ef5\u4e0d\u7edd\uff0c\u53c8\u5c24\u5982\u9ec4\u6cb3\u6cdb\u6ee5\u4e00\u53d1\u4e0d\u53ef\u6536\u62fe<\/p>\n<p>\u4e09\u697c:<\/p>\n<p>\u5047\u5982\u697c\u4e3b\u7684\u5c0fJJ\u662f15\u5398\u7c73\u7684\u8bdd\uff0c\u90a3\u4e48\u5728\u8fd9\u6b21\u6027\u751f\u6d3b\u4e2d\uff0c\u697c\u4e3b\u7684\u5c0fJJ\u4e00\u5171\u6b65\u884c\u4e869750*0.15*2=2925\u7c73\u3002<\/p>\n<p>\u56db\u697c:<\/p>\n<p>\u697c\u4e3b\u5e94\u8be5\u662f\u4e24\u51b2\u7a0b\u7684<\/p>\n<p>\u4e94\u697c:<\/p>\n<p>\u8ba1\u7b97\u9898\uff1a\u5982\u679c\u662f\u4e2a\u6d3b\u585e\uff0c\u697c\u4e3b\u5df2\u7ecf\u6253\u8fdb\u53bb\u591a\u5c11\u6c14\u4e86\uff1f<\/p>\n<p>\u516d\u697c:<\/p>\n<p>\u5e94\u8be5\u662f\u697c\u4e3b\u505a\u4e86\u591a\u5c11\u529f\uff1f\u8f6c\u5316\u4e3a\u7535\u80fd\u662f\u591a\u5c11\uff1f<\/p>\n<p>\u4e03\u697c:<\/p>\n<p>\u6839\u636e\u673a\u68b0\u539f\u7406\uff0c\u6dec\u706b\u53ef\u4ee5\u83b7\u5f97\u66f4\u9ad8\u7684\u786c\u5ea6\uff0c\u9000\u706b\u53ef\u4ee5\u83b7\u5f97\u66f4\u5f3a\u7684\u8010\u78e8\u6027\u80fd\uff0c\u4f30\u8ba1\u4f60\u4fe9\u4eba\u5c31\u505a\u8fc7\u8fd9\u6837\u7684\u70ed\u5904\u7406\u3002<\/p>\n<p>\u516b\u697c:<\/p>\n<p>\u8ba1\u7b97\u9898\uff1a\u5982\u679c\u662f\u4e2a\u6d3b\u585e\uff0c\u697c\u4e3b\u5df2\u7ecf\u6253\u8fdb\u53bb\u591a\u5c11\u6c14\u4e86\uff1f<br \/>\n\u56de\u60a8\u7684\u8bdd\uff1a\u5047\u5982\u697c\u4e3b\u7684\u5c0fJJ\u76f4\u5f84\u662f4CM<br \/>\n0.02*0.02*3.14*2925\uff1d3.6738\uff08\u7acb\u65b9\u7c73\uff09<br \/>\n\u7b54\uff1a\u697c\u4e3b\u5df2\u7ecf\u6253\u8fdb\u53bb3.6738\u7acb\u65b9\u7c73\u6c14\u53bb\u4e86\uff0c\u4ed6\u7684\u5973\u53cb\u6309\u4f53\u91cd60G\u6765\u7b97\uff0c\u4f53\u79ef\u7ea6\u662f0.06\u7acb\u65b9\u7c73\uff0c\u5982\u679c\u5185\u90e8\u5168\u662f\u7a7a\u7684\uff0c\u90a3\u4e48\u73b0\u5728\u4ed6\u5df2\u7ecf\u6253\u66b4\u4e8661.23\u4e2a\u5973\u53cb\u56db\u820d\u4e94\u5165\uff0c\u4ed6\u6253\u66b4\u4e8661\u4e2a\u5973\u53cb\uff0c\u5047\u5982\u4ed6\u5973\u53cb\u80fd\u627f\u53d7\u4e24\u500d\u5927\u6c14\u538b\uff0c\u4ed6\u4e5f\u6253\u66b4\u4e8630.5\u4e2a\uff0c\u9664\u53bb\u6cc4\u9732\u7684\u90a3\u90e8\u5206\u6c14\u4f53\uff0c\u4ed6\u6253\u66b4\u4e8630\u4e2a\u5973\u53cb\u3002<br \/>\n\u53e6\u5916\uff0c\u6c42\u8bc1\uff1a\u4ee5\u697c\u4e3b\u7684\u4f53\u91cd\u4e3a65G\u8ba1\u7b97\uff0c\u6709\u90a3\u4f4d\u670b\u53cb\uff0c\u8ba1\u7b97\u51fa\u4ed6\u514b\u670d\u5730\u7403\u5438\u5f15\u529b\u505a\u4e86\u591a\u5c11\u65e0\u7528\u529f\uff1f<\/p>\n<p>\u4e5d\u697c:<\/p>\n<p>\u8bf7\u95ee\uff0c\u7ecf\u8fc7\u70ed\u5904\u7406\u5de5\u827a\uff0c\u697c\u4e3b\u7684\u6d1b\u6c0f\u786c\u5ea6\u8fbe\u5230\u591a\u5c11\uff1f\u662f\u4e0d\u662f\u8fd8\u8981\u7ecf\u8fc7\u6e17\u78b3\u5904\u7406\uff1f\u7136\u540e\u7ecf\u8fc7\u8c03\u8d28\u5904\u7406\u603b\u8be5\u884c\u4e86\u5417\uff1f<\/p>\n<p>\u5341\u697c:<\/p>\n<p>q\u8bf7\u95ee\u697c\u732a\u7684DD\u7ecf\u8fc79000\u591a\u6b21\u7684\u6469\u64e6\u540e\u6e29\u5ea6\u8fbe\u5230\u591a\u5c11\u4f1a\u4e0d\u4f1a\u5f71\u54cd\u7cbe~\u5b50\u7684\u6210\u6d3b\u7387<\/p>\n<p>\u5341\u4e00\u697c:<\/p>\n<p>\u53e6\u5916\uff0c\u6c42\u8bc1\uff1a\u4ee5\u697c\u4e3b\u7684\u4f53\u91cd\u4e3a65G\u8ba1\u7b97\uff0c\u6709\u90a3\u4f4d\u670b\u53cb\uff0c\u8ba1\u7b97\u51fa\u4ed6\u514b\u670d\u5730\u7403\u5438\u5f15\u529b\u505a\u4e86\u591a\u5c11\u65e0\u7528\u529f\uff1f<br \/>\n\u7b54\uff1a\u7269\u7406\u5feb\u5fd8\u5149\u4e86\uff0c\u6839\u636e\u4f9d\u7a00\u6240\u8bb0\u5c0f\u5fc3\u6c42\u8bc1\u4e00\u4e0b\uff0c\u6709\u9519\u6f0f\u8bf7\u697c\u4e0b\u6307\u51fa\u3002<br \/>\n\u5047\u5982\u697c\u4e3b\u9ad8175\uff0c\u697c\u4e3bmm\u9ad8165\u3002<br \/>\n\u7537\u4e0a\u5973\u4e0b\u7684\u59ff\u52bf\uff0c\u697c\u4e3b\u53cc\u819d\u7740\u5730\uff0c\u9ad8\u697c\u4e3bmm\u7ea640cm\uff0c\u5047\u5982\u697c\u4e3b\u7684\u5c0fJJ\u662f15\u5398\u7c73\u7684\u8bdd\uff0c\u5219H=40+15=55CM\uff0c\u4ee530\u5206\u949f\u8ba1\u7b97\uff0c\u505a\u529f\u4e3aMGH=65*9.8*0.55*(2*150*30)=3153150J\u3002<br \/>\n\u53e6\u5916\uff0c\u6c42\u8bc1\uff1a\u4ee5\u697c\u4e3b\u7684\u4f53\u91cd\u4e3a65G\u8ba1\u7b97\uff0c\u8bf7\u697c\u4e0b\u54ea\u4f4d\u670b\u53cb\uff0c\u8ba1\u7b97\u51fa\u4ed6\u4ee5\u5c0f\u72d7\u5f0f\u575a\u630130\u5206\u949f\u514b\u670d\u5730\u7403\u5438\u5f15\u529b\u505a\u4e86\u591a\u5c11\u65e0\u7528\u529f\uff1f<\/p>\n<p>\u5341\u4e09\u697c:<\/p>\n<p>\u5c45\u7136\u8fd8\u662f\u4e24\u4e2a\u7f38\u7684\u3002\u3002\u3002<br \/>\n\u6bcf\u5206\u949f150\u4e0b\uff0c\u575a\u6301\u56db\u820d\u4e94\u5165\u630960\u5206\u949f\u7b97\u3002\u3002\u8fde\u63a5\u8f74\u627f\u90e8\u5206\u7684\u6469\u64e6\u8017\u635f\u76f8\u5f53\u4e25\u91cd\u554a<\/p>\n<p>\u5341\u56db\u697c:<\/p>\n<p>\u5c45\u7136\u8fd8\u662f\u4e24\u4e2a\u7f38\u7684\u3002\u3002\u3002<br \/>\n\u6bcf\u5206\u949f150\u4e0b\uff0c\u575a\u6301\u56db\u820d\u4e94\u5165\u630960\u5206\u949f\u7b97\u3002\u3002\u8fde\u63a5\u8f74\u627f\u90e8\u5206\u7684\u6469\u64e6\u8017\u635f\u76f8\u5f53\u4e25\u91cd\u554a<br \/>\n\u697c\u4e3b\u6ce8\u610f\u4fdd\u517b<br \/>\n\u52e4\u6362\u673a\u6cb9<br \/>\n\u68c0\u67e5\u5239\u8f66\u7247<br \/>\n\u56db\u8f6e\u8981\u5b9a\u4f4d<br \/>\n\u5b9a\u671f\u5927\u4fee<br \/>\n\u4f30\u8ba1\u518d\u7528\u5341\u5e74\u95ee\u9898\u4e0d\u5927<\/p>\n<p>\u5341\u4e94\u697c:<\/p>\n<p>\u53e6\u5916\uff0c\u6c42\u8bc1\uff1a\u4ee5\u697c\u4e3b\u7684\u4f53\u91cd\u4e3a65G\u8ba1\u7b97\uff0c\u8bf7\u697c\u4e0b\u54ea\u4f4d\u670b\u53cb\uff0c\u8ba1\u7b97\u51fa\u4ed6\u4ee5\u5c0f\u72d7\u5f0f\u575a\u63010\u5206\u949f\u514b\u670d\u5730\u7403\u5438\u5f15\u529b\u505a\u4e86\u591a\u5c11\u65e0\u7528\u529f\uff1f<br \/>\n\u66f4\u6b63\u4e00\u4e0b\uff0c\u697c\u4e3b\u81ea\u5df1\u5df2\u7ecf\u8bf4\u4e86\uff0c\u4ed6\u662f\u505a\u4e8665\u5206\u949f\uff0c\u8fd8\u662f\u770b\u7740\u8868\u505a\u7684\uff0c\u5982\u679c\u80fd\u770b\u7740\u8868\u505a\uff0c\u4e00\u822c\u8bf4\u6765\u4ed6\u4e0d\u662f\u4fef\u5367\u5f0f\u7684\uff0c\u4ee5\u5c0f\u72d7\u5f0f\u662f\u5f88\u6709\u53ef\u80fd\u7684<br \/>\n\u7b54:0.\u6c34\u5e73\u7528\u529f\uff0c\u6ca1\u6709\u514b\u670d\u5730\u7403\u5f15\u529b\uff0c\u4e0e\u65f6\u95f4\u548c\u4f53\u91cd\u90fd\u65e0\u5173!!!<\/p>\n<p>\u5341\u516d\u697c:<\/p>\n<p>\u6469\u64e6\u751f\u70ed\uff0c\u697c\u4e3b\u53ef\u4ee5\u505a\u9053\u706b\u7206JJ\u5927\u83dc\u62c9.\u5b8c\u4e8b\u540e\u5403\uff0c\u5927\u8865\u554a~~~~~<\/p>\n<p>\u5341\u4e03\u697c:<\/p>\n<p>\u6211\u9519\u4e86\u3002<br \/>\n\u4e4b\u524d\u56de\u8d34\u6211\u628a\u505a\u529f\u7b97\u6210\uff08mgh*\u6b21\u6570\uff09\uff0c\u5176\u4e2dH\u7b97\u6210\u4e8640+15\uff0c\u4e25\u91cd\u9519\u8bef\u3002<br \/>\nH\u5e94\u8be5\u7b49\u4e8e{\u5c0fJJ\u957f\u5ea6*sin\uff08\u63d2\u5165\u89d2\u5ea6\uff09}\u624d\u5bf9\u3002\u5f53\u7136\u4e5f\u4e0d\u6392\u9664\u697c\u4e3b\u662f\u5f20\u5f13\u642d\u7bad\uff0c\u5883\u5916\u7784\u51c6\u518d\u53d1\u5c04\u3002<br 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