{"id":5072,"date":"2022-03-28T08:48:02","date_gmt":"2022-03-28T00:48:02","guid":{"rendered":"https:\/\/www.hnyt99.com\/?p=5072"},"modified":"2023-07-13T09:14:55","modified_gmt":"2023-07-13T01:14:55","slug":"410","status":"publish","type":"post","link":"https:\/\/www.hnyt99.com\/baike\/hybz\/410.html","title":{"rendered":"\u9ad8\u5c42\u5efa\u7b51\u4e2d\u7ed9\u6c34\u7cfb\u7edf\u7684\u7ad6\u5411\u5206\u533a"},"content":{"rendered":"\n
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E =E1+ E2 + \u2026\u2026 + En<\/p>\n\n\n\n
=r(Q\/n)(h\/n) + r(Q\/n)(2h\/n) + \u2026\u2026 + r(Q\/n)(nh\/n)<\/p>\n\n\n\n
=r(Q\/n)(h\/n)(1 + 2 + \u2026+ n)<\/p>\n\n\n\n
=rQh (n+1)\/2n<\/p>\n\n\n\n
\u5f53 n\u2014> \u221e \u65f6\uff0cE = rQh\/2\u3002<\/p>\n\n\n\n
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