{"id":4121,"date":"2017-10-30T09:58:32","date_gmt":"2017-10-30T01:58:32","guid":{"rendered":"http:\/\/www.systemsci.org\/jinshanw\/?p=4121"},"modified":"2017-10-30T10:02:01","modified_gmt":"2017-10-30T02:02:01","slug":"%e4%bb%8e%e4%b8%80%e9%81%93%e5%a5%a5%e6%95%b0%e9%a2%98%e8%af%b4%e8%b5%b7%ef%bc%8c%e7%bb%a7%e7%bb%ad%e5%92%8c%e9%a2%98%e5%9e%8b%e6%95%99%e5%ad%a6%e6%88%98%e6%96%97","status":"publish","type":"post","link":"https:\/\/www.systemsci.org\/jinshanw\/2017\/10\/30\/%e4%bb%8e%e4%b8%80%e9%81%93%e5%a5%a5%e6%95%b0%e9%a2%98%e8%af%b4%e8%b5%b7%ef%bc%8c%e7%bb%a7%e7%bb%ad%e5%92%8c%e9%a2%98%e5%9e%8b%e6%95%99%e5%ad%a6%e6%88%98%e6%96%97\/","title":{"rendered":"\u4ece\u4e00\u9053\u5965\u6570\u9898\u8bf4\u8d77\uff0c\u7ee7\u7eed\u548c\u9898\u578b\u6559\u5b66\u6218\u6597"},"content":{"rendered":"<p>\u6700\u8fd1\u770b\u5230\u4e00\u9053\u9898\uff1a<br \/>\n\u67d0\u8f66\u7ad9\u8981\u5728\u68c0\u7968\u524d\u82e5\u5e72\u5206\u949f\u5f00\u59cb\u6392\u961f\uff0c\u6bcf\u5206\u949f\u91cc\u7684\u65c5\u5ba2\u4eba\u6570\u4e00\u6837\u591a\u3002\u5982\u679c\u540c\u65f6\u5f00\u653e3\u4e2a\u68c0\u7968\u53e3\uff0c\u90a3\u4e4840\u5206\u949f\u540e\u68c0\u7968\u53e3\u524d\u7684\u961f\u4f0d\u6070\u597d\u6d88\u5931\uff1b\u5982\u679c\u540c\u65f6\u5f00\u653e4\u4e2a\u68c0\u7968\u53e3\uff0c\u90a3\u4e4825\u5206\u949f\u540e\u961f\u4f0d\u6070\u597d\u6d88\u5931\u3002\u5982\u679c\u540c\u65f6\u5f00\u653e8\u4e2a\u68c0\u7968\u53e3\uff0c\u90a3\u4e48\u961f\u4f0d\u591a\u5c11\u5206\u949f\u540e\u6070\u597d\u6d88\u5931\uff1f<\/p>\n<p>\u8fd9\u9053\u9898\u542c\u8bf4\uff0c\u5728\u5965\u6570\u91cc\u9762\u53eb\u505a\u201c\u725b\u5403\u8349\u201d\u95ee\u9898\uff0c\u5c31\u662f\u8981\u8003\u8651\u5728\u725b\u5f00\u59cb\u5403\u4e4b\u524d\u5df2\u7ecf\u6709\u4e00\u4e9b\u8349\u4e86\uff0c\u8fd8\u8981\u8003\u8651\u725b\u5728\u5403\u8349\u7684\u540c\u65f6\uff0c\u8349\u4e5f\u5728\u957f\u3002\u5f53\u7136\uff0c\u62bd\u8c61\u5730\u6765\u8bf4\uff0c\u8fd9\u6837\u7684\u60c5\u666f\u662f\u5b58\u5728\u7684\uff0c\u8fd9\u6837\u7684\u8003\u8651\u662f\u91cd\u8981\u7684\uff0c\u5c24\u5176\u662f\u5403\u7684\u540c\u65f6\u8349\u4e5f\u5728\u957f\u7684\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u9700\u8981\u6d88\u706d\u7ec6\u83cc\u6216\u8005\u75c5\u6bd2\u7684\u65f6\u5019\uff0c\u6ca1\u51c6\u5c31\u9700\u8981\u8003\u8651\u7ec6\u83cc\u7684\u7e41\u6b96\u6216\u8005\u75c5\u6bd2\u7684\u4f20\u64ad\u590d\u5236\u3002\u4f46\u662f\uff0c\u5c31\u8fd9\u4e2a\u725b\u5403\u8349\u672c\u8eab\u6765\u8bf4\uff0c\u9664\u975e\u8fd9\u4e2a\u8349\u573a\u5b9e\u5728\u975e\u5e38\u975e\u5e38\u5927\uff0c\u8349\u957f\u7684\u901f\u5ea6\u662f\u8fdc\u8fdc\u8d76\u4e0d\u4e0a\u725b\u5403\u7684\u901f\u5ea6\u7684\uff0c\u56e0\u6b64\uff0c\u5148\u5ffd\u7565\u4e5f\u95ee\u9898\u4e0d\u5927\u3002\u56e0\u6b64\uff0c\u5982\u679c\u771f\u7684\u6709\u5fc5\u8981\u8003\u8651\u8fd9\u4e2a\u201c\u725b\u5403\u8349\u201d\u95ee\u9898\uff0c\u5012\u4e0d\u5982\u6539\u6210\u201c\u4f20\u67d3\u75c5\u533b\u7597\u201d\u95ee\u9898\u3002\u8fd9\u6837\u60c5\u666f\u4e0a\u6765\u8bf4\uff0c\u66f4\u5408\u7406\u4e00\u4e9b\u3002<\/p>\n<p>\u4e0d\u8fc7\uff0c\u8fd9\u4e2a\u4e0d\u662f\u6211\u4e3e\u8fd9\u9053\u9898\u5f53\u4f8b\u5b50\u7684\u76ee\u7684\u3002\u6211\u4eec\u5148\u6309\u7167\u201c\u4f20\u67d3\u75c5\u533b\u7597\u201d\u95ee\u9898\u6765\u6c42\u89e3\u8fd9\u9053\u9898\u3002\u5728\u8fd9\u91cc\u5148\u7528\u7b80\u5355\u7c97\u66b4\u7684\u529e\u6cd5\uff0c\u5b9e\u9645\u4e0a\u53ef\u4ee5\u901a\u8fc7\u628a\u7b80\u5355\u7c97\u66b4\u529e\u6cd5\u5f97\u5230\u7684\u7efc\u5408\u7b97\u5f0f\u6765\u7ed9\u51fa\u4e00\u4e2a\u903b\u8f91\u8fc7\u7a0b\u7684\u65b9\u5f0f\u6765\u89e3\u8bfb\u8fd9\u4e2a\u8ba1\u7b97\u8fc7\u7a0b\uff0c\u4ece\u800c\u8ba9\u5b66\u751f\u4eec\u5728\u4e0d\u7528\u672a\u77e5\u6570\u7684\u6761\u4ef6\u4e0b\u4e5f\u80fd\u591f\u8ba1\u7b97\u3002\u8fd9\u4e2a\u903b\u8f91\u8fc7\u7a0b\u7684\u7ec6\u8282\u6211\u5c31\u4e0d\u91cd\u590d\u4e86\uff0c\u613f\u610f\u770b\u7684\u53ef\u4ee5\u53bb\u770b\u6240\u8c13\u7684\u201c\u725b\u5403\u8349\u201d\u95ee\u9898\u3002<\/p>\n<p>\u5047\u8bbe\u5df2\u7ecf\u5b58\u5728\u7684\u4eba\u6709z\u4e2a\uff0c\u5047\u8bbe\u6bcf\u5206\u949f\u6765\u7684\u4eba\u662fx\uff08\u8fd9\u91cc\u5047\u8bbe\u65b0\u8fdb\u6765\u7684\u4eba\u7684\u901f\u5ea6\u4e00\u6837\uff09\uff0c\u5047\u8bbe\u6bcf\u4e00\u4e2a\u68c0\u7968\u53e3\u6bcf\u5206\u949f\u5904\u7406\u7684\u4eba\u6570\u662fy\u4eba\uff08\u8fd9\u91cc\uff0c\u5047\u8bbe\u5404\u4e2a\u68c0\u7968\u53e3\u7684\u8fdb\u5ea6\u4e00\u6837\uff0c\u4e0a\u8f66\u7684\u4eba\u4e5f\u5747\u5300\u5206\u5e03\u5728\u8fd9\u4e9b\u68c0\u7968\u53e3\u7684\u961f\u5217\u4e0a\uff0c\u4e5f\u4e0d\u5b58\u5728\u67d0\u4e00\u4e2a\u68c0\u7968\u53e3\u4f1a\u5728\u67d0\u4e2a\u65f6\u95f4\u6bcf\u4eba\u7684\u60c5\u51b5\uff09\uff0c\u5047\u8bbe8\u4e2a\u68c0\u7968\u53e3\u7684\u65f6\u5019\u9700\u8981t\u5206\u949f\uff0c\u4e8e\u662f<\/p>\n<p>z+40x = 3*40*y<br \/>\nz+25x = 4*25*y<br \/>\nz+t*x = 8*t*y<\/p>\n<p>\u901a\u8fc7\u524d\u4e24\u9879\u505a\u5dee\uff0c\u6211\u4eec\u5f97\u5230<br \/>\n 15x = 20y (\u8fd9\u4e00\u4e2a\u8fc7\u7a0b\u662f\u53ef\u4ee5\u6784\u9020\u903b\u8f91\u8fc7\u7a0b\u6765\u89e3\u91ca\u7684\uff0c\u4e0d\u9700\u8981\u4e00\u5b9a\u7528\u672a\u77e5\u6570)<br \/>\n\u4e5f\u5c31\u662f\uff0c3x=4y\u3002\u63a5\u7740\u7528\u8fd9\u4e2a\u5173\u952e\u6c42\u51fa\u6765x,y\u5f53\u505az\u7684\u51fd\u6570\uff08\u8fd9\u4e00\u6b65\u4e5f\u53ef\u4ee5\u901a\u8fc7\u6784\u9020\u903b\u8f91\u8fc7\u7a0b\u5f97\u5230\uff0c\u4e0d\u4e00\u5b9a\u9700\u8981\u89e3\u65b9\u7a0b\uff09\uff0c<br \/>\nx = z\/50<br \/>\ny = 3z\/200<br \/>\n\u4ee3\u5165\u5230\u6700\u540e\u7684\u8868\u8fbe\u5f0f\uff0c\u5f97\u5230<br \/>\nz+t*z\/50 = t*24\/200 z (\u8fd9\u4e00\u6b65\u4e5f\u662f\u53ef\u4ee5\u901a\u8fc7\u903b\u8f91\u5f97\u5230\u7684\uff0c\u4e0d\u4e00\u5b9a\u9700\u8981\u7528\u672a\u77e5\u6570)<br 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