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\u4e0e\u79d1\u5b66\u5de5\u7a0b\u8ba1\u7b97\u96c6\u7fa4\u8fdb\u884c\u4ea4\u4e92\u9700\u8981\u5728\u6821\u56ed\u7f51\u4e2d\uff0c\u6216\u8005\u5f00\u542f\u897f\u6e56\u5927\u5b66VPN\u5ba2\u6237\u7aef<\/a>\u3002<\/p>"},{"title":"Context dependence \u662f\u4e00\u53e5\u4e07\u91d1\u6cb9\u5417 (\u6587\u732e\u5206\u4eab)","link":"https:\/\/dong2000.xyz\/post\/addressing_context_dependence_in_ecology\/","pubDate":"Mon, 08 Sep 2025 18:16:47 +0800","guid":"https:\/\/dong2000.xyz\/post\/addressing_context_dependence_in_ecology\/","description":"\u4eca\u5e74\u4e94\u6708\u4efd\u53bb\u6606\u660e\u53c2\u52a0\u4e86\u7b2c\u4e09\u5c4a\u56fd\u9645\u519c\u4e1a\u751f\u7269\u591a\u6837\u6027\u5927\u4f1a\uff0c\u867d\u7136\u6ca1\u6709\u4f5c\u62a5\u544a\uff0c\u4f46\u662f\u96be\u5f97\u6709\u673a\u4f1a\u5411\u4e16\u754c\u5404\u5730\u7684\u5b66\u8005\u4eec\u63d0\u95ee\u8bf7\u6559\u3002\u6211\u53d1\u73b0 context dependence (\u60c5\u666f\u4f9d\u8d56\u6027) \u662f\u4e00\u4e2a\u88ab\u4eba\u4eec\u53cd\u590d\u63d0\u53ca\u7684\u5b57\u773c\u3002\u67d0\u4e2a\u56e0\u7d20\u7684\u6548\u5e94\u662f\u6b63\u5411\u7684\u8fd8\u662f\u8d1f\u5411\u7684\uff1f\u89c6\u5177\u4f53\u60c5\u666f\u800c\u5b9a\u3002\u67d0\u4e2a\u751f\u6001\u4fdd\u62a4\u7b56\u7565\u503c\u5f97\u88ab\u63a8\u5e7f\u5e94\u7528\u5417\uff1f\u89c6\u5177\u4f53\u60c5\u666f\u800c\u5b9a\u2026\u2026\u6211\u5e38\u5e38\u611f\u5230\u8fd9\u6837\u7684\u56de\u7b54\u6709\u5982\u9694\u9774\u6414\u75d2\uff0c\u597d\u50cf\u4ec0\u4e48\u90fd\u8bf4\u4e86\uff0c\u53c8\u597d\u50cf\u4ec0\u4e48\u90fd\u6ca1\u8bf4\u3002\n\u8bda\u7136\uff0c\u793e\u4f1a-\u7ecf\u6d4e-\u81ea\u7136\u590d\u5408\u751f\u6001\u7cfb\u7edf\u4e2d\u5145\u65a5\u7740\u5404\u79cd\u975e\u7ebf\u6027\u5173\u7cfb\uff0c\u5f88\u96be\u50cf\u7ecf\u5178\u7269\u7406\u5b66\u90a3\u6837\u62bd\u8c61\u51fa\u6781\u5176\u5177\u6709\u666e\u9002\u6027\u7684\u89c4\u5f8b\u3002\u5728\u8bd5\u56fe\u89c2\u5bdf\u67d0\u4e2a\u5bf9\u8c61\u65f6\uff0c\u6211\u4eec\u5fc5\u987b\u8981\u65f6\u523b\u6ce8\u610f\u5230\u5176\u6240\u5904\u60c5\u666f\u4ee5\u53ca\u89c2\u6d4b\u65b9\u6cd5\u7684\u590d\u6742\u6027\u548c\u7279\u6b8a\u6027\uff0c\u5e76\u5bf9\u6b64\u4fdd\u6301\u8c26\u5351\u8c28\u614e\u3002\u4f46\u662f\uff0c\u7c97\u66b4\u5730\u6ee5\u7528context dependence\u51e0\u4e4e\u7b49\u540c\u4e8e\u627f\u8ba4\u6211\u4eec\u5bf9\u7814\u7a76\u7ed3\u8bba\u7684\u666e\u9002\u7a0b\u5ea6\u4e00\u65e0\u6240\u77e5\uff0c\u4e5f\u5c31\u51e0\u4e4e\u7b49\u540c\u4e8e\u627f\u8ba4\u6211\u4eec\u5bf9\u4e16\u754c\u63a2\u7d22\u7684\u5931\u8d25\u3002\u8fd9\u4e0d\u514d\u4ee4\u4eba\u5fc3\u751f\u6cae\u4e27\u3002\n\u867d\u7136\u6211\u4eec\u65e0\u6cd5\u5f7b\u5e95\u629b\u5f03\u8fd9\u4e00\u6982\u5ff5\uff0c\u4f46\u81f3\u5c11\u53ef\u4ee5\u5bf9context dependence\u8fdb\u884c\u5b9a\u4e49\u548c\u5206\u7c7b\u3002Catford et al. (2022) \u7684\u6587\u7ae0 Addressing context dependence in ecology: Trends in Ecology & Evolution \u5bf9\u6b64\u8fdb\u884c\u4e86\u63a2\u8ba8\uff0c\u6307\u51fa\u60c5\u666f\u4f9d\u8d56\u6027\u53ef\u4ee5\u88ab\u5206\u4e3a\u56db\u4e2a\u57fa\u672c\u7684\u7c7b\u522b\uff0c\u5373\u591a\u4e2a\u56e0\u7d20\u4e4b\u95f4\u7684\u4ea4\u4e92\u6548\u5e94\u3001\u6df7\u6742\u56e0\u7d20\u3001\u7edf\u8ba1\u663e\u8457\u6027\u548c\u65b9\u6cd5\u5dee\u5f02\u3002\nSource: Trends in Ecology and Evolution | CellPress\n"},{"title":"\u8def\u8fc7\u4e50\u56ed","link":"https:\/\/dong2000.xyz\/post\/leyuanshudian\/","pubDate":"Thu, 08 May 2025 21:43:12 +0800","guid":"https:\/\/dong2000.xyz\/post\/leyuanshudian\/","description":"

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2024 \u5e74\u9996\u6b21\u6500\u5347\u81f3\u6bd4\u5de5\u4e1a\u5316\u524d\u6c34\u5e73\u9ad8\u51fa 1.5 \u00b0C \u4ee5\u4e0a\uff0c\u800c\u540e\u8005\u6b63\u662f\u4e16\u754c\u5404\u56fd\u5728\u300a\u5df4\u9ece\u6c14\u5019\u534f\u5b9a\u300b\u4e2d\u6240\u8bbe\u5b9a\u7684\u9650\u5236\u5168\u7403\u53d8\u6696\u7684\u9608\u503c2\u3002\u867d\u7136\u8fd9\u4e00\u9608\u503c\u662f\u57fa\u4e8e\u591a\u5e74\u8fde\u7eed\u7684\u5e73\u5747\u6e29\u5dee\u800c\u8bbe\u5b9a\u7684\uff0c\u4f46\u662f\u8fc7\u53bb\u4e00\u5e74\u7684\u7a81\u7834\u4ecd\u7136\u5177\u6709\u6781\u5f3a\u7684\u8c61\u5f81\u610f\u4e49\u3002\u5f88\u591a\u4eba\u5bf9\u4e8e\u63a7\u5236\u5168\u7403\u53d8\u6696\u7684\u524d\u666f\u611f\u5230\u5fe7\u8651\uff0c\u5305\u62ec\u79d1\u5b66\u5bb6\u4eec\u548c\u5173\u5fc3\u8be5\u8bae\u9898\u7684\u666e\u901a\u6c11\u4f17\uff0c\u4ee5\u81f4\u4e8eWikipedia\u4e13\u95e8\u4e3a\u6b64\u521b\u7acb\u4e86\u4e00\u4e2a\u8bcd\u6761climate grief\/ecological grief\u3002\u6211\u4eec\u901a\u5e38\u4f1a\u89c9\u5f97\u8fd9\u79cd\u538b\u529b\u5e94\u8be5\u5177\u6709\u4e00\u5b9a\u7684\u79ef\u6781\u6548\u679c\uff0c\u80fd\u591f\u4fc3\u4f7f\u5168\u7403\u5404\u56fd\u63a8\u8fdb\u51cf\u5c11\u6e29\u5ba4\u6c14\u4f53\u6392\u653e\u3001\u5e94\u5bf9\u5168\u7403\u53d8\u6696\u7684\u884c\u52a8\u2014\u2014\u6240\u8c13\u751f\u4e8e\u5fe7\u60a3\u3002\u4f46\u5176\u5b9e\u8fd9\u79cd\u538b\u529b\u4e5f\u6f5c\u85cf\u7740\u5371\u9669\u3002\n\u9996\u5148\u662f\u5bf9\u4e8e\u6240\u8c13 1.5 \u2103 \u9608\u503c\u7684\u9519\u8bef\u7406\u89e3\uff0c\u4e5f\u662f Kate Yoder \u5728 Alert fatigue: The phrase that defined our climate in 2024 \u8fd9\u7bc7\u6587\u7ae0\u4e2d\u603b\u7ed3\u7684\u5185\u5bb93\u3002\u8fd9\u4e2a\u6570\u503c\u5f88\u5bb9\u6613\u88ab\u5927\u4f17\u8bef\u89e3\u6210\u67d0\u79cd\u7cfb\u7edf\u5d29\u6bc1\u4e0e\u5b58\u7eed\u7684\u4e34\u754c\u70b9\u3002\u4eff\u4f5b\u53ea\u8981\u6c14\u6e29\u4e0a\u5347\u8d85\u8fc7\u4e86\u8fd9\u4e2a\u9650\u5ea6\uff0c\u5730\u7403\u5c31\u4f1a\u8fdb\u5165\u4e00\u4e2a\u53ef\u6015\u7684\u65b0\u9636\u6bb5\uff0c\u6c14\u5019\u53d8\u5316\u7684\u5371\u5bb3\u5c06\u53d1\u751f\u8d28\u7684\u6539\u53d8\uff1b\u53cd\u4e4b\u53ea\u8981\u6211\u4eec\u6210\u529f\u5730\u8eb2\u5728\u9608\u503c\u4ee5\u4e0b\uff0c\u4e00\u5207\u5c31\u90fd\u4f1a\u6ca1\u4e8b\u7684\u3002\u5b9e\u9645\u4e0a\u8fd9\u4e00\u9608\u503c\u7684\u653f\u6cbb\u8c61\u5f81\u610f\u4e49\u5927\u4e8e\u5176\u5b9e\u9645\u7684\u79d1\u5b66\u4ef7\u503c\u3002\u300a\u5df4\u9ece\u534f\u5b9a\u300b\u8bbe\u7acb 1.5 \u2103 \u8fd9\u4e2a\u6570\u5b57\uff08\u4ee5\u53ca\u65e9\u5148\u7684 2 \u2103 \u7684\u627f\u8bfa\uff09\u7684\u76ee\u7684\u662f\u8868\u660e\u4e16\u754c\u5404\u56fd\u5bf9\u4e8e\u81f4\u529b\u4e8e\u63a7\u5236\u6c14\u5019\u53d8\u5316\u7684\u6001\u5ea6\u3002\u5b83\u53ef\u4ee5\u662f 1.5\uff0c\u4e5f\u53ef\u4ee5\u662f 0.5\u30013.5\uff0c\u5177\u4f53\u7684\u6570\u503c\u5219\u662f\u535a\u5f08\u548c\u59a5\u534f\u7684\u7ed3\u679c\u3002\u8d8a\u8fc7 1.5 \u2103 \u4e4b\u540e\uff0c\u4e00\u5207\u4e0d\u4f1a\u5206\u5d29\u79bb\u6790\uff1b\u5728\u8d8a\u8fc7 1.5 \u2103 \u4e4b\u524d\u4e5f\u5e76\u975e\u4e07\u4e8b\u5927\u5409\u3002\u968f\u7740\u89c2\u6d4b\u6570\u636e\u8d8a\u6765\u8d8a\u903c\u8fd1 1.5\uff0c\u8fd9\u79cd\u201c\u6700\u540e\u671f\u9650\u201d\u5f0f\u7684\u5ba3\u4f20\u7684\u5f0a\u7aef\u4e5f\u4f1a\u663e\u73b0\u3002\u5b83\u5c06\u4eba\u4eec\u7684\u6ce8\u610f\u529b\u4ece\u6c14\u5019\u53d8\u5316\u7684\u5177\u4f53\u98ce\u9669\u8f6c\u79fb\u5230\u4e86\u62bd\u8c61\u7684\u8bfb\u6570\u4e0a\uff0c\u865a\u5047\u5730\u8425\u9020\u4e00\u79cd\u6050\u60e7\u7684\u6c14\u6c1b\u3002\u5f53\u9608\u503c\u6b63\u771f\u88ab\u8d85\u8d8a\u7684\u65f6\u5019\uff0c\u8fd9\u79cd\u88ab\u523a\u6fc0\u51fa\u6765\u7684\u77ed\u671f\u70ed\u60c5\u5c31\u4f1a\u53d8\u6210\u6bd2\u836f\u3002\u4e00\u4e9b\u4eba\u4f1a\u89c9\u5f97\u5df2\u7ecf\u4e16\u754c\u5df2\u7ecf game over\uff0c\u63a7\u5236\u6c14\u5019\u53d8\u6696\u7684\u52aa\u529b\u4ee5\u5931\u8d25\u544a\u7ec8\uff0cclimate grief \u4f1a\u6f14\u53d8\u6210 climate despair\u3002\u53e6\u4e00\u4e9b\u4eba\u5219\u4f1a\u4ee5\u6b64\u4f5c\u4e3a\u5426\u8ba4\u6c14\u5019\u53d8\u5316\u5b58\u5728\u7684\u80dc\u5229\u4fe1\u53f7\u2014\u2014\u201c\u770b\u5427\uff0c\u8fc7\u4e86\u8fd9\u6761\u7ebf\u540e\u4ec0\u4e48\u4e5f\u6ca1\u53d1\u751f\u3002\u201d\u65e0\u8bba\u54ea\u79cd\u53cd\u5e94\u90fd\u65e0\u5229\u4e8e\u5bf9\u6c14\u5019\u63a7\u5236\u548c\u80fd\u6e90\u8f6c\u578b\u7684\u51b7\u9759\u601d\u8003\uff0c\u73a9\u5f04\u60c5\u7eea\u7684\u7ec8\u5c06\u88ab\u60c5\u7eea\u73a9\u5f04\u3002\nYoder\u5728\u53e6\u4e00\u7bc7\u6587\u7ae0 Alert fatigue: The phrase that defined our climate in 2024 \u91cc\u63d0\u5230\u7684\u95ee\u9898\u5219\u66f4\u52a0\u5177\u6709\u65f6\u6548\u60274\u3002\u8fc7\u53bb\u4e00\u5e74\u4e2d\u6211\u4eec\u542c\u5230\u4e86\u5f88\u591a\u521b\u4e0b\u5386\u53f2\u7eaa\u5f55\u7684\u6781\u7aef\u5929\u6c14\u65b0\u95fb\uff1a\u52a0\u5229\u798f\u5c3c\u4e9a\u7684\u5c71\u706b\u3001\u65af\u91cc\u5170\u5361\u7684\u6d2a\u6d9d\u3001\u6b27\u6d32\u5357\u90e8\u7684\u8d85\u9ad8\u6e29\u7b49\u7b49\u3002\u8fd9\u4e9b\u6781\u7aef\u6c14\u5019\/\u5929\u6c14\u7684\u8b66\u62a5\u5728\u672a\u6765\u6216\u8bb8\u5c06\u8d8a\u6765\u8d8a\u5bb6\u5e38\u4fbf\u996d\u3002\u4eba\u4eec\u5c06\u5b66\u4f1a\u5ffd\u89c6\uff0c\u800c\u8fd9\u4e5f\u610f\u5473\u7740\u79d1\u5b66\u5bb6\u4eec\u5173\u4e8e\u6c14\u5019\u53d8\u53d1\u51fa\u7684\u8b66\u544a\u7684\u529b\u91cf\u4f1a\u8d8a\u6765\u8d8a\u5fae\u5f31\uff0c\u56e0\u4e3a\u5bf9\u4e8e\u5371\u673a\u7684\u53cd\u590d\u523a\u6fc0\u611f\u5230\u75b2\u52b3\u3002\u6709\u8c03\u67e5\u663e\u793a\u8fd1\u4e09\u5206\u4e4b\u4e8c\u7684\u7f8e\u56fd\u4eba\u660e\u767d\u6c14\u5019\u53d8\u5316\u6b63\u5728\u5f71\u54cd\u4ed6\u4eec\u7684\u5f53\u5730\u793e\u533a5\uff0c\u4f46\u8fd9\u5e76\u4e0d\u59a8\u788d\u4ed6\u4eec\u9009\u4e3e\u51fa\u5f3a\u529b\u63a8\u52a8\u4f20\u7edf\u5316\u77f3\u80fd\u6e90\u7684\u65b0\u4efb\u653f\u5e9c\u3002\u8fc7\u53bb\u4e00\u5e74\u4e2d\uff0c\u5927\u5bb6\u6216\u8bb8\u4e5f\u4eb2\u8eab\u7ecf\u5386\u4e86\u5f88\u591a\u672c\u5730\u7f55\u89c1\u7684\u4e25\u5bd2\u9177\u6691\u3002\u4f46\u56de\u5fc6 2023 \u5e74\uff0c\u5f53\u65f6\u7684\u6211\u4eec\u540c\u6837\u4e3a\u5404\u7c7b\u521b\u4e0b\u5386\u53f2\u8bb0\u5f55\u7684\u5929\u6c14\u60c5\u51b5\u611f\u5230\u9707\u60ca\u3002\u5982\u679c\u672a\u6765\u7684\u6bcf\u4e00\u5e74\u90fd\u88ab\u51a0\u4ee5\u201c\u53f2\u4e0a\u6700\u6781\u7aef\u201d\u7684\u540d\u53f7\uff0c\u7528\u4e0d\u4e86\u591a\u4e45\u4eba\u4eec\u5c31\u4f1a\u5bf9\u6b64\u611f\u5230\u9ebb\u6728\u3002\u9010\u6e10\u7684\u73af\u5883\u6076\u5316\u5c31\u4f1a\u72b9\u5982\u6e29\u6c34\u716e\u9752\u86d9\uff0c\u6162\u6162\u6740\u6b7b\u672a\u6765\u7684\u53ef\u80fd\u6027\u3002\n\u4e16\u754c\u6b63\u5728\u9010\u6e10\u900f\u652f\u5bf9\u4e8e\u6c14\u5019\u53d8\u5316\u7684\u5371\u673a\u611f\u3002\u5e0c\u671b\u6211\u4eec\u80fd\u5728\u4ee3\u4ef7\u6765\u4e34\u4e4b\u524d\u5f62\u6210\u66f4\u53ef\u6301\u7eed\u7684\u5e94\u5bf9\u65b9\u5f0f\uff0c\u6bd5\u7adf\u8fd9\u662f\u767e\u5e74\u5927\u8ba1\u3002\n\u53c2\u8003\u8d44\u6599\nCOP29: Key outcomes agreed at the UN climate talks in Baku - Carbon Brief ↩︎"},{"title":"\u4ece\u300a\u6d41\u6d6a\u82cd\u7a79\u300b\u60f3\u5230\u7684","link":"https:\/\/dong2000.xyz\/post\/liu-lang-cang-qiong\/","pubDate":"Wed, 12 Feb 2025 00:11:47 +0800","guid":"https:\/\/dong2000.xyz\/post\/liu-lang-cang-qiong\/","description":"

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\n \n
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\n

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matrix\u7684\u65f6\u5019\uff0c\u5728\u5df2\u6709\u5206\u7c7b\u7684\u540e\u8fb9\u8fd8\u52a0\u4e86\u4e00\u4e2a\u201cbackground\u201d\u7684\u6807\u7b7e\u3002precision\u548crecall\u7684\u6700\u540e\u4e00\u4f4d\u5176\u5b9e\u5c31\u662f\u201cbackground\u201d\u7684\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\uff0c\u5e76\u4e14\u603b\u662f\u4e3a\u96f6\u3002\u4ece\u6df7\u6dc6\u77e9\u9635\u91cc\u9762\u4e5f\u53ef\u4ee5\u770b\u51fa\uff0cbackground\u7684\u771f\u9633\u6027\u6bd4\u4f8b\u4e00\u5b9a\u662f0%\u3002\u5728\u8ba1\u7b97\u5e73\u5747precision\u548crecall\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u8003\u8651\u8fd9\u4e00\u4e2a\u989d\u5916\u7684\u5206\u7c7b\u3002\nMMDetection\u5b98\u65b9\u6587\u6863\u91cc\u7684normalized confusion matrix\uff0c\"background\"\u5206\u7c7b\u7684\u771f\u9633\u6027\u6bd4\u4f8b\u4e00\u5b9a\u662f0%\n\u9700\u8981\u5728main()\u51fd\u6570\u672b\u5c3e\u6dfb\u52a0\u7684\u4ee3\u7801\u4e3a\uff1a\n1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 TP = np.diag(confusion_matrix) FP = np.sum(confusion_matrix, axis=0) - TP FN = np.sum(confusion_matrix, axis=1) - TP precision = TP \/ (TP + FP) recall = TP \/ (TP + FN) average_precision = np.mean(precision[:-1]) average_recall = np.mean(recall[:-1]) f1 = 2* (average_precision * average_recall) \/ (average_precision + average_recall) print('\\n===Averaging all classes===') print('AP:', average_precision) print('AR:', average_recall) print('F1:', f1) print('Classes', dataset."},{"title":"\u62c6\u673a\u52a0\u786c\u76d8\uff0c\u65b0\u7535\u8111\u5df2\u662f\u8001\u6cb9\u6761\u4e86","link":"https:\/\/dong2000.xyz\/post\/install_ssd\/","pubDate":"Mon, 29 Apr 2024 01:36:50 +0800","guid":"https:\/\/dong2000.xyz\/post\/install_ssd\/","description":"

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\u201c\u8fd9\u6b32\u671b\u7684\u6e56\u6cca\uff0c\u5f88\u591a\u4eba\u90fd\u5728\u6eba\u7231\u5b83\u3002\u201d<\/p>"},{"title":"\u8bb0Westlake SEE Annual Meeting","link":"https:\/\/dong2000.xyz\/post\/my_1st_poster\/","pubDate":"Sat, 06 Apr 2024 16:46:45 +0800","guid":"https:\/\/dong2000.xyz\/post\/my_1st_poster\/","description":"

\u4e09\u6708\u7684\u6700\u540e\u4e00\u4e2a\u5468\u672b\uff0c\u897f\u6e56\u5927\u5b66\u4e3e\u529e\u4e86\u201c\u53ef\u6301\u7eed\u53d1\u5c55\u4e0e\u73af\u5883\u524d\u6cbf\u4ea4\u53c9\u8bba\u575b\u201d\uff0c\u6709\u633a\u591a\u9662\u58eb\u5927\u725b\u6765\u7ad9\u53f0\u652f\u6301\uff0c\u573a\u9762\u8fd8\u662f\u633a\u76db\u5927\u7684\u3002\u5c24\u5176\u662f\u4eb2\u773c\u89c1\u5230\u4e86\u9676\u6f8d\u7b49\u4e45\u4ef0\u5927\u540d\u7684\u91cd\u91cf\u7ea7\u4eba\u7269\u3002<\/p>"},{"title":"\u6587\u732e\u9605\u8bfb [April 3rd]","link":"https:\/\/dong2000.xyz\/post\/reading-note-20240403\/","pubDate":"Wed, 03 Apr 2024 09:52:09 +0800","guid":"https:\/\/dong2000.xyz\/post\/reading-note-20240403\/","description":"\u672c\u6b21\u9605\u8bfb\u7684\u4e09\u7bc7\u6587\u732e\u90fd\u662f\u8702\u5b66\u65b9\u9762\u7684\u65b0\u8fdb\u5c55\u3002\u6211\u4e3b\u8981\u5173\u5fc3\u7684\u662f\u4e24\u65b9\u9762\u95ee\u9898\uff1a\u6606\u866b\u751f\u7406\u548c\u884c\u4e3a\u7279\u5f81\u7684\u6307\u6807\u53ca\u6d4b\u91cf\u65b9\u5f0f\uff08\u7814\u7a76\u65b9\u6cd5\uff09\uff0c\u4ee5\u53ca\u718a\u8702\u5728\u73af\u5883\u80c1\u8feb\u4e0b\u7684\u53cd\u5e94\u673a\u5236\uff08\u7814\u7a76\u7ed3\u8bba\uff09\u3002\nGlass, J. R., Burnett, N. P., Combes, S. A., Weisman, E., Helbling, A., & Harrison, J. F. (2024). Flying, nectar-loaded honey bees conserve water and improve heat tolerance by reducing wingbeat frequency and metabolic heat production. Proceedings of the National Academy of Sciences, 121(4), e2311025121. https:\/\/doi.org\/10.1073\/pnas.2311025121\nFocus on heat wave effects on honeybees Honeybees avoid overheating by lowering wingbeat frequency Reducing metabolic heat production is the result of lowering wingbeat frequency."},{"title":"\u6587\u732e\u9605\u8bfb [March 6th]\u2014\u2014\u4eba\u4e0e\u81ea\u7136\u8026\u5408\u7cfb\u7edf","link":"https:\/\/dong2000.xyz\/post\/reading-note-20240306\/","pubDate":"Wed, 06 Mar 2024 02:56:58 +0800","guid":"https:\/\/dong2000.xyz\/post\/reading-note-20240306\/","description":"\u8fd9\u4e2a\u793c\u62dc\u6f66\u8349\u5730\u9605\u8bfb\u4e86\u51e0\u7bc7\u8bba\u6587\uff0c\u5728\u8fd9\u91cc\u505a\u4e00\u4e2a\u7b80\u5355\u7684\u8bb0\u5f55\u3002\u7406\u5de5\u79d1\u7684\u5b66\u672f\u7814\u7a76\u6c38\u6052\u5730\u5728\u8ffd\u5bfb\u65b0\u7684\u524d\u6cbf\uff0c\u6211\u9700\u8981\u65f6\u523b\u548c\u4e16\u754c\u7684\u53d1\u5c55\u4fdd\u6301\u540c\u6b65\u3002\u6240\u4ee5\u4ee5\u540e\u4e5f\u5e0c\u671b\u80fd\u8fdb\u4e00\u6b65\u63a8\u8fdb\u6587\u732e\u9605\u8bfb\u7684\u6df1\u5ea6\u548c\u5e7f\u5ea6\u3002\nLiu, Jianguo, Thomas Dietz, et al. \u201cComplexity of Coupled Human and Natural Systems.\u201d Science, vol. 317, no. 5844, Sept. 2007, pp. 1513\u201316, https:\/\/doi.org\/10.1126\/science.1144004.\nAbstract: Integrated studies of coupled human and natural systems reveal new and complex patterns and processes not evident when studied by social or natural scientists separately. Synthesis of six case studies from around the world shows that couplings between human and natural systems vary across space, time, and organizational units."},{"title":"\u521d\u6625\u7684\u788e\u788e\u5ff5","link":"https:\/\/dong2000.xyz\/post\/diary-2024-02-16\/","pubDate":"Fri, 16 Feb 2024 19:57:19 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\u8fd9\u5b66\u671f\u9009\u4fee\u4e86\u300a\u590d\u6742\u7cfb\u7edf\u7406\u8bba\u300b\u8fd9\u95e8\u8bfe\u3002\u5b9e\u9645\u7684\u8bfe\u7a0b\u5185\u5bb9\u5b8c\u5168\u8d85\u51fa\u4e86\u9884\u6599\u7684\u65b9\u5411\u2014\u2014\u6211\u672c\u4ee5\u4e3a\u662f\u5404\u79cd\u590d\u6742\u7cfb\u7edf\u7684\u6570\u5b66\u63a8\u6f14\u548c\u5efa\u6a21\uff0c\u7ed3\u679c\u8bb2\u4e86\u597d\u51e0\u4e2a\u793c\u62dc\u7684\u8fd8\u539f\u8bba\u3001\u672c\u4f53\u8bba\u548cmind-body problem\u4e4b\u7c7b\u7684\u54f2\u5b66\u8bdd\u9898\u3002\u8d77\u521d\u6211\u4e5f\u5e76\u4e0d\u6392\u65a5\u8fd9\u6837\u7684\u8ba8\u8bba\uff0c\u4f46\u968f\u7740\u8bfe\u5802\u8fdb\u884c\uff0c\u6211\u5f00\u59cb\u6709\u8d8a\u6765\u8d8a\u5f3a\u70c8\u7684\u4e0d\u9002\u611f\u3002<\/p>"},{"title":"Learning notes on agent-based modelling (ABM)","link":"https:\/\/dong2000.xyz\/post\/learning-abm\/","pubDate":"Tue, 03 Oct 2023 21:02:53 +0800","guid":"https:\/\/dong2000.xyz\/post\/learning-abm\/","description":"In this note I will give a brief introduction of agent-based modelling (ABM). I was learning ABM from an online tutorial1, in which this method is actually mostly applied in areas of social sciences, for example, economics or sociology.\nI will introduce the topic with four parts. For the first and second part, we will not talk about agriculture. But at last two parts we will talk about why agriculture experts need agent-based modelling."},{"title":"MMDetection\u76ee\u6807\u68c0\u6d4b\u5165\u95e8\u7b14\u8bb0","link":"https:\/\/dong2000.xyz\/post\/notes-on-mmdet\/","pubDate":"Mon, 28 Aug 2023 11:11:41 +0800","guid":"https:\/\/dong2000.xyz\/post\/notes-on-mmdet\/","description":"

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Our bio lab is quite noisy because of a 24-7 working ventilation duct on the ceiling - the room needs to be kept under negative pressure. At some point the noise reached 80 dB, which is quite annoying.<\/p>\n

So here I am, trying to use my knowledge from environmental physics lessons to track the source of noise pollution.<\/p>"},{"title":"\u7ea4\u7ef4\u72b6\u9897\u7c92\u7684\u7a7a\u6c14\u52a8\u529b\u5b66\u76f4\u5f84\u8bef\u5dee\u4f20\u9012\u516c\u5f0f","link":"https:\/\/dong2000.xyz\/post\/equivalent-diameter-error\/","pubDate":"Sun, 09 Jul 2023 17:05:28 +0800","guid":"https:\/\/dong2000.xyz\/post\/equivalent-diameter-error\/","description":"

\n

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\n

\u6458\u8981<\/strong> \u5e73\u6d41\u5c42\u6c14\u6eb6\u80f6\u6ce8\u5165\u5de5\u7a0b(SAI)\u662f\u76ee\u524d\u7814\u7a76\u5f97\u6700\u591a\u7684\u592a\u9633\u8f90\u5c04\u5e72\u9884\u624b\u6bb5\u3002SAI\u5de5\u7a0b\u80fd\u591fSAI\u5de5\u7a0b\u53ef\u4ee5\u90e8\u5206\u62b5\u6d88\u6e29\u5ba4\u6c14\u4f53\u589e\u52a0\u9020\u6210\u7684\u6e29\u5ea6\u4e0a\u5347\u3001\u964d\u6c34\u7387\u589e\u5927\u7b49\u6c14\u5019\u53d8\u5316\u3002SAI\u4e5f\u5b58\u5728\u4e00\u5b9a\u8d1f\u9762\u6548\u5e94\uff0c\u5305\u62ec\u5f15\u8d77\u5168\u7403\u6e29\u5ea6\u548c\u964d\u6c34\u7387\u53d8\u5316\u7684\u5206\u5e03\u3002\u901a\u8fc7\u6539\u8fdb\u6c14\u6eb6\u80f6\u6ce8\u5165\u70b9\u7684\u5206\u5e03\u6216\u4e0e\u9ad8\u5c42\u5377\u4e91\u53d8\u8584\u5de5\u7a0b\u6df7\u5408\u8fdb\u884c\uff0c\u53ef\u4ee5\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u6539\u5584\u8d1f\u9762\u6548\u5e94\u3002SAI\u5de5\u7a0b\u5b9e\u65bd\u540e\u518d\u7a81\u7136\u7ec8\u6b62\uff0c\u4f1a\u9020\u6210\u5feb\u901f\u7684\u6c14\u5019\u53d8\u5316\u3002\u76ee\u524d\u7684\u6280\u672f\u6761\u4ef6\u5df2\u521d\u6b65\u5177\u5907\u90e8\u7f72SAI\u5de5\u7a0b\u7684\u80fd\u529b\uff0c\u4f46\u662f\u5f00\u5c55SAI\u5de5\u7a0b\u5b58\u5728\u8f83\u5927\u7684\u81ea\u7136\u98ce\u9669\u548c\u793e\u4f1a\u98ce\u9669\u3002<\/p>\n<\/blockquote>"},{"title":"\u5931\u8d25\u8005\u5e94\u8be5\u7f04\u9ed8\uff0c\u50cf\u79cd\u5b50","link":"https:\/\/dong2000.xyz\/post\/on-pilote-de-guerre\/","pubDate":"Fri, 27 Jan 2023 00:02:18 +0800","guid":"https:\/\/dong2000.xyz\/post\/on-pilote-de-guerre\/","description":"

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\u6628\u665a\u6c14\u6e29\u9aa4\u964d\uff0c\u5f98\u5f8a\u57280\u2103\u9644\u8fd1\u3002\u4e0b\u5348\u51fa\u53d1\u53bb\u5b9e\u9a8c\u5ba4\u65f6\uff0c\u53d1\u73b0\u5c0f\u9f9f\u7684\u6321\u98ce\u88ab\u548c\u5750\u57ab\u4e0a\u788e\u6563\u4e86\u4e00\u5c42\u96ea\u82b1❄️\uff0c\u624d\u610f\u8bc6\u5230\u96ea\u5df2\u7ecf\u82e5\u6709\u82e5\u65e0\u7684\u4e0b\u4e86\u4e00\u5c0f\u9635\u5b50\u4e86\u3002<\/p>"},{"title":"The conceptual evolution of green building in the 21st century \u2013 textual changes in LEED","link":"https:\/\/dong2000.xyz\/post\/textual-analysis-on-leed\/","pubDate":"Tue, 03 Jan 2023 14:37:30 +0800","guid":"https:\/\/dong2000.xyz\/post\/textual-analysis-on-leed\/","description":"

\n

The conceptual evolution of green building is reflected in historical versions of green building rating tools. Computational text analysis on historical versions of LEED revealed changes in the category systems and textual contents, which reflects how LEED\u2019s green building concept has evolved in the 21st century.<\/p>\n<\/blockquote>\n

Keywords:<\/strong> green building rating tool (GBRT); conceptual evolution; LEED; computational text analysis<\/p>"},{"title":"Python\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\u7684\u8fd0\u884c\u901f\u5ea6\u6bd4\u8f83","link":"https:\/\/dong2000.xyz\/post\/python-threads-processes\/","pubDate":"Fri, 16 Dec 2022 14:11:55 +0800","guid":"https:\/\/dong2000.xyz\/post\/python-threads-processes\/","description":"

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This post of nonsense<\/strong> is written in English to avoid potential censorship of speech1<\/a><\/sup>. I write this post as a personal record of the chaos at the end(?) of the strict COVID regulation “era”, as well as a witness of an ongoing elimination(?) of public discussion. NOTE: I’m not quoting any factual sources here, so all will be my personal opinions.<\/p>"},{"title":"\u5728Hugo + PaperMod\u4e3b\u9898\u4e0b\u6dfb\u52a0\u4e0d\u849c\u5b50\u7f51\u7ad9\u7edf\u8ba1","link":"https:\/\/dong2000.xyz\/post\/my_web-count\/","pubDate":"Thu, 01 Dec 2022 01:34:50 +0800","guid":"https:\/\/dong2000.xyz\/post\/my_web-count\/","description":"

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Barrel distortion(\u6876\u5f62\u7578\u53d8)\u662f\u4e00\u79cd\u6210\u50cf\u753b\u9762\u5448\u6876\u5f62\u81a8\u80c0\u7684\u7578\u53d8\u73b0\u8c61\uff0c\u901a\u5e38\u5728\u5e7f\u89d2\u955c\u5934\u4e0b\u51fa\u73b0\u3002\u6700\u8fd1\u5728\u8c03\u8bd5\u751f\u6001\u76d1\u6d4b\u76f8\u673a\u65f6\u5c31\u9047\u5230\u4e86\u975e\u5e38\u5178\u578b\u7684\u6876\u5f62\u7578\u53d8\uff0c\u4f1a\u5f71\u54cd\u5230\u5bf9\u4e8e\u76d1\u6d4b\u5bf9\u8c61\u7684\u5b9a\u4f4d\u7cbe\u786e\u6027\u3002<\/p>"},{"title":"HugoBlog Test","link":"https:\/\/dong2000.xyz\/post\/test\/","pubDate":"Tue, 01 Nov 2022 15:31:58 +0800","guid":"https:\/\/dong2000.xyz\/post\/test\/","description":"

This is a test page<\/h1>\n

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\n

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\n

Microplastics (MPs) are a class of ubiquitous pollutants grouping persistent polymeric particles smaller than 5 mm in diameter, regardless of their shape and chemical composition. They include polyester (PL), polystyrene (PS), polyethylene (PE), polypropylene (PP) and polyvinylchloride (PVC) particles, among others (Ng et al., 2018).<\/p>\n<\/blockquote>\n

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\u539f\u6807\u9898\uff1aMH370\u5199\u7ed92014\u5e74\u7684\u4e00\u5c01\u4fe1<\/strong><\/p>\n

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\u65e9\u5728\u9ad8\u4e2d\u7684\u65f6\u5019\u5c31\u5728\u751f\u7269\u9009\u4fee\u8bfe\u672c\u4e0a\u8bfb\u5230\u8fc7\u9a6c\u4e16\u9a8f\u5148\u751f\u7684\u201c\u751f\u6001\u5de5\u7a0b\u201d\u601d\u60f3\u548c\u201c\u793e\u4f1a-\u7ecf\u6d4e-\u81ea\u7136\u590d\u5408\u751f\u6001\u7cfb\u7edf\u201d\u7684\u7406\u8bba\uff0c\u867d\u7136\u53ea\u662f\u5be5\u5be5\u6570\u53e5\uff0c\u8bfb\u5230\u8fd9\u4e00\u90e8\u5206\u8bfe\u672c\u7684\u65f6\u5019\u5374\u6709\u4e00\u79cd\u8305\u585e\u987f\u5f00💡\u7684\u611f\u89c9\uff0c\u4f53\u4f1a\u5230\u4ee5\u7cfb\u7edf\u7684\u773c\u5149\u770b\u5f85\u4eba\u4e0e\u81ea\u7136\u4ea4\u4e92\u7684\u91cd\u8981\u6027\u3002\uff08\u56de\u60f3\u8d77\u51e0\u672c\u9ad8\u4e2d\u751f\u7269\u5fc5\u4fee\u4e0e\u9009\u4fee\u8bfe\u672c\uff0c\u786e\u5b9e\u53ef\u4ee5\u53d1\u73b0\u6574\u4e2a\u4f53\u7cfb\u4ece\u4e00\u5f00\u59cb\u5c31\u5728\u9010\u6e10\u6784\u5efa\u8d77\u81ea\u7136\u73af\u5883\u4e0e\u4eba\u7c7b\u6d3b\u52a8\u76f8\u4e92\u5f71\u54cd\u7684\u4e16\u754c\u89c2\uff0c\u4e3a\u5f15\u51fa\u751f\u6001\u5de5\u7a0b\u8fd9\u4e00\u601d\u60f3\u505a\u4e86\u77e5\u8bc6\u94fa\u57ab\u548c\u4ef7\u503c\u5f15\u5bfc\uff0c\u786e\u5b9e\u662f\u8d39\u4e86\u5f88\u591a\u5185\u5bb9\u7f16\u6392\u7684\u529f\u592b\u3002\uff09\u53ef\u4ee5\u8bf4\u9a6c\u5148\u751f\u7684\u601d\u60f3\u662f\u6211\u5bf9\u4e8e\u73af\u5883\u5b66\u7684\u542f\u8499\u4e4b\u4e00\u4e86\u3002<\/p>\n\"image-20220918143620625\""},{"title":"\u7533\u535a\u4e8c\u4e09\u4e8b","link":"https:\/\/dong2000.xyz\/post\/applying_phd\/","pubDate":"Sun, 11 Sep 2022 01:21:19 +0000","guid":"https:\/\/dong2000.xyz\/post\/applying_phd\/","description":"

🎓\u6700\u8fd1\u6709\u4e00\u642d\u6ca1\u4e00\u642d\u5730\u5728\u51c6\u5907\u7740\u897f\u6e56\u5927\u5b66\u5de5\u5b66\u96622023\u5e74\u535a\u58eb\u62db\u751f\u9884\u63a8\u514d\u7684\u6750\u6599\u51c6\u5907\u5de5\u4f5c\uff0c\u867d\u7136\u6309\u7406\u5e76\u4e0d\u4f1a\u9047\u5230\u592a\u5927\u7684\u56f0\u96be\uff0c\u4f46\u662f\u5fc3\u91cc\u8fd8\u662f\u96be\u514d\u4f1a\u6709\u4e00\u4e9b\u7126\u8651\u2014\u2014\u6bd5\u7adf\u8fd9\u662f\u5173\u4e4e\u5230\u63a5\u4e0b\u6765\u4e94\u5e74\u4f55\u53bb\u4f55\u4ece\u7684\u4e8b\u60c5\u3002\u5728\u67d0\u4e2a\u7126\u8651\u800c\u6478\u9c7c\u7684\u65f6\u523b\u51b3\u5b9a\u6765\u5199\u4e00\u7bc7\u535a\u5ba2\u8bb0\u5f55\u7533\u8bf7\u76f4\u535a\u7684\u7ecf\u5386\u548c\u5fc3\u8def\uff08\u5b9e\u9645\u4e0a\u662f\u56e0\u4e3apersonal statement\u6324\u7259\u818f\u6324\u4e0d\u51fa\u6765\u4e86\uff09<\/s>\uff0c\u7b97\u662f\u4f5c\u4e3a\u8fd9\u4e00\u91cd\u65f6\u95f4\u8282\u70b9\u7684\u7eaa\u5ff5\u3002<\/p>"},{"title":"\u5728SBM\u6a21\u578b\u4e2d\u5f15\u5165\u4e0a\u8fb9\u754c\u548c\u6307\u6807\u6743\u91cd","link":"https:\/\/dong2000.xyz\/post\/upper_bounds_and_weights_in_sbm\/","pubDate":"Wed, 07 Sep 2022 09:31:54 +0000","guid":"https:\/\/dong2000.xyz\/post\/upper_bounds_and_weights_in_sbm\/","description":"

\u5728\u5b9e\u9645\u5e94\u7528SBM\u6a21\u578b\u5206\u6790\u7eff\u8272\u53d1\u5c55\u6548\u7387\u7684\u65f6\u5019\uff0c\u53d1\u73b0\u9762\u4e34\u7740\u4ee5\u4e0b\u4e24\u4e2a\u56f0\u96be\uff1a<\/p>\n

    \n
  1. \u6307\u6807\u5b9e\u9645\u53ef\u53d6\u503c\u5177\u6709\u4e0a\u8fb9\u754c\uff1b<\/li>\n
  2. \u4e0d\u540c\u6307\u6807\u4e4b\u95f4\u5b58\u5728\u91cd\u8981\u6027\u5dee\u5f02\u3002<\/li>\n<\/ol>\n

    \u4e8e\u662f\u5bf9\u7ecf\u5178\u7684\u975e\u671f\u671b\u4ea7\u51faSBM\u6a21\u578b\u8fdb\u884c\u4e86\u4fee\u6539\uff0c\u4ee5\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898\u3002📐<\/p>"},{"title":"\u975e\u671f\u671b\u4ea7\u51faSBM\u6a21\u578b\u7684\u6570\u5b66\u63a8\u6f14\u53caPython\u5b9e\u73b0","link":"https:\/\/dong2000.xyz\/post\/undesirable_sbm_in_python\/","pubDate":"Wed, 10 Aug 2022 23:00:38 +0000","guid":"https:\/\/dong2000.xyz\/post\/undesirable_sbm_in_python\/","description":"\u5e26\u6709\u975e\u671f\u671b\u4ea7\u51fa\u7684SBM\u6a21\u578b(slacks-based measure)\u53ef\u7528\u4e8e\u5904\u7406\u591a\u4e2a\u6295\u5165\u548c\u4ea7\u51fa\u53d8\u91cf\u7684\u6548\u7387\u6d4b\u5ea6\u95ee\u9898\uff0c\u53ef\u7528\u4e8e\u5de5\u4e1a\u7ecf\u6d4e\u7eff\u8272\u53d1\u5c55\u6548\u7387\u7684\u5206\u6790\u3002\u5728\u7eff\u8272\u53d1\u5c55\u5206\u6790\u4e2d\uff0c\u9700\u8981\u540c\u65f6\u8003\u8651\u7ecf\u6d4e\u6536\u76ca\uff08\u671f\u671b\u4ea7\u51fa\uff09\u548c\u8d1f\u9762\u73af\u5883\u6548\u5e94\uff08\u975e\u671f\u671b\u4ea7\u51fa\uff09\u7684\u95ee\u9898\uff0c\u4e00\u65b9\u9762\u8981\u63d0\u9ad8\u7ecf\u6d4e\u6536\u76ca\uff0c\u53e6\u4e00\u65b9\u9762\u9700\u8981\u51cf\u5c11\u6c61\u67d3\u6392\u653e\uff0c\u662f\u6295\u5165\u3001\u671f\u671b\u4ea7\u51fa\u548c\u975e\u671f\u671b\u4ea7\u51fa\u4e09\u65b9\u6743\u8861\u7684\u95ee\u9898\u30021\n\u8fd9\u4e2a\u5e16\u5b50\u8bb0\u5f55\u4e86\u548c\u975e\u671f\u671b\u4ea7\u51faSBM\u6a21\u578b\u82e6\u82e6\u6597\u4e89\u4e00\u4e2a\u661f\u671f\u7684\u5b66\u4e60\u6210\u679c\u3002\n\u6570\u5b66\u539f\u7406 DEA\u6a21\u578b\/CCR\u6a21\u578b DEA SBM\u6a21\u578b\u662f\u6570\u636e\u5305\u7edc\u5206\u6790(Data Envelopment Analysis, DEA)\u7684\u4e00\u79cd\u3002\u5728DEA\u6a21\u578b\u4e2d\uff0c\u5047\u5b9a\u5b58\u5728$n$\u4e2a\u53ef\u6bd4\u51b3\u7b56\u5355\u5143(decision making units, DMU)\uff0c\u8bb0\u4e3a$DMU_j(j=1,2,\\dots,n)$\uff1b\n\u6bcf\u4e2a$DMU$\u6709$m$\u79cd\u6295\u5165\uff0c\u8bb0\u4e3a$X_i(i=1,2,\\dots,m)$\uff0c\u6bcf\u79cd\u6295\u5165\u7684\u6743\u91cd\u4e3a$v_i$\uff1b\n\u6709$q$\u79cd\u4ea7\u51fa\uff0c\u8bb0\u4e3a$Y_r(r=1,2,\\dots,q)$\uff0c\u6bcf\u79cd\u4ea7\u51fa\u7684\u6743\u91cd\u4e3a$u_r$.\n\u5bf9\u7b2c$k$\u4e2a\u53ef\u6bd4\u51b3\u7b56\u5355\u5143\u800c\u8a00\uff0c\u5176\u6295\u5165\u4ea7\u51fa\u6bd4\uff08\u6280\u672f\u6548\u7387\uff09\u4e3a\n$$ H_k=\\frac{\\sum_{r=1}^qu_rY_{rk}}{\\sum_{i=1}^mv_iX_{ik}}\uff0c $$\n\u9650\u5b9a\u8303\u56f4\u4e3a$H_k\\in[0,1]$. \u73b0\u8981\u6c42\u5728\u6240\u6709\u53ef\u6bd4\u51b3\u7b56\u5355\u5143\u7684\u6548\u7387\u5747\u4e0d\u8d85\u8fc7$1$\u7684\u6761\u4ef6\u4e0b\uff0c\u8c03\u8282\u6743\u91cd$[v_1,v_2,\\dots,v_m]$\u548c$[u_1,u_2,\\dots,u_q]$\uff0c\u4f7f\u5f97\u88ab\u8bc4\u4ef7\u7684\u5355\u5143$DMU_k$\u6548\u7387\u503c\u6700\u5927\u5316\u3002\u5373\u5982\u4e0b\u89c4\u5212\u6a21\u578b\uff1a $$ \\begin{aligned} \\max&~~ z=\\frac{\\sum_{r=1}^qu_rY_{rk}}{\\sum_{i=1}^mv_iX_{ik}}\\\\ s.t.&~~ \\frac{\\sum_{r=1}^qu_rY_{rj}}{\\sum_{i=1}^mv_iX_{ij}}\\le1~ (v_i\\ge0,u_r\\ge0)\\\\ &~~ i=1,2,\\dots,m;~r=1,2,\\dots,q;~j=1,2,\\dots,n \\end{aligned} $$\n\u8be5\u6a21\u578b\u6240\u786e\u5b9a\u7684\u6743\u91cd\u7cfb\u6570\u7ec4\u5408\u662f\u5bf9\u4e8e$DMU_k$\u6700\u6709\u5229\u7684\u3002\u7531\u4e8e$\\sum_{i=1}^mv_iX_{ik}>0$\uff0c\u6a21\u578b\u7684\u89c4\u5212\u6761\u4ef6\u5373\u4e3a $$ s.t.~~\\sum_{r=1}^qu_rY_{rj}-\\sum_{i=1}^mv_iX_{ij}\\le0; $$\n\u5728\u4e0a\u8ff0\u7ebf\u6027\u89c4\u5212\u6a21\u578b\u4e2d\uff0c\u6240\u8981\u6c42\u7684\u662f\u6295\u5165\u548c\u4ea7\u51fa\u9879\u76ee\u7684\u6307\u6807\u6743\u91cd\uff0c\u5728\u539f\u59cb\u610f\u4e49\u4e0a\u5c31\u662f$\\vec u$\u548c$\\vec v$\u3002\u6a21\u578b\u6307\u5b9a\u4e86\u4e00\u4e2a\u53ef\u6bd4\u51b3\u7b56\u5355\u5143$DMU_k$\uff0c\u5728\u89c4\u5212\u8fc7\u7a0b\u4e2d\u529b\u6c42\u8fd9\u4e2a\u5355\u5143\u6700\u7ec8\u7684\u6548\u7387\u8bc4\u4ef7\u8fbe\u5230\u6700\u9ad8\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5982\u4f55\u9009\u62e9\u8fd9\u4e2a\u7279\u6b8a\u7684$DMU$\u5fc5\u7136\u4f1a\u6210\u4e3a\u95ee\u9898\u7684\u5173\u952e\u3002\u6216\u8bb8\u9700\u8981\u6839\u636e\u51b3\u7b56\u8005\u7684\u611f\u6027\u5224\u65ad\uff08\u6216\u5176\u4ed6\u624b\u6bb5\u8f85\u52a9\uff09\uff0c\u9009\u5b9a\u4e00\u4e2a\u6700\u4f18\u7684\u51b3\u7b56\u5355\u5143\uff0c\u6216\u8005\u4eba\u4e3a\u8bbe\u7f6e\u4e00\u4e2a\u5bf9\u7167\u7684\u201c\u7406\u60f3\u578b\u201d\uff0c\u5c06\u5176\u89c6\u4e3a\u6548\u7387\u6700\u9ad8\u7684\u60c5\u5f62\u3002\n\u6295\u5165\u5bfc\u5411CCR \u4ee4$t=\\left(\\sum_{i=1}^mv_iX_{ik}\\right)^{-1}$\uff0c\u5219\u6a21\u578b\u7684\u76ee\u6807\u51fd\u6570\u4e3a\n$$ \\max ~~ z=t\\sum_{r=1}^qu_rY_{rk}=\\sum_{r=1}^qtu_rY_{rk}, $$\n\u4ee4$\\mu_{r}=tu_r, \\nu_{i}=tv_i$\uff0c\u6839\u636e$t$\u7684\u5b9a\u4e49\u53ef\u77e5$\\sum_{i=1}^m\\nu_iX_{ik}=1$\uff1b\u5c06\u89c4\u5212\u6761\u4ef6\u4e24\u8fb9\u540c\u4e58$t$\uff0c\u5f97\u5230\n$$ s.t. ~~ \\sum_{r=1}^q\\mu_{r}Y_{rj}-\\sum_{i=1}^m\\nu_{i}X_{ij}\\le0. $$\n\u4ece\u800c\u5c06\u975e\u7ebf\u6027\u89c4\u5212\u6a21\u578b\u8f6c\u6362\u4e3a\u7ebf\u6027\u89c4\u5212\u6a21\u578b\uff1a\n$$ \\begin{aligned} \\max &~~ z=\\sum_{r=1}^q\\mu_{r}Y_{rk}\\\\ s.t. &~~ \\sum_{r=1}^q\\mu_{r}Y_{rj}-\\sum_{i=1}^m\\nu_{i}X_{ij}\\le0~(\\mu_r\\ge0, \\nu_i\\ge0)\\\\ &~~ \\sum_{i=1}^m\\nu_iX_{ik}=1\\\\ &~~ i=1,2,\\dots,m;~r=1,2,\\dots,q;~j=1,2,\\dots,n \\end{aligned} $$\n\u5176\u5bf9\u5076\u6a21\u578b\u4e3a\uff08\u5bf9\u5076\u6a21\u578b\u6c42\u89e3\u8fc7\u7a0b\u89c1\u6587\u672b\uff09"},{"title":"\uff08\u4f2a\uff09\u671f\u672b\u5c0f\u8bb0","link":"https:\/\/dong2000.xyz\/post\/at_end_of_term\/","pubDate":"Fri, 08 Jul 2022 00:09:04 +0000","guid":"https:\/\/dong2000.xyz\/post\/at_end_of_term\/","description":"

    \u8fd9\u7bc7\u671f\u672b\u5c0f\u8bb0\u4ece\u5efa\u7acb\u6587\u7ae0\u9898\u76ee\u5230\u771f\u6b63\u5f00\u59cb\u52a8\u7b14\u4e4b\u95f4\u8fc7\u4e86\u4e00\u4e2a\u6708\u4e4b\u4e45\u3002\u8003\u8bd5\u5468\u90a3\u6bb5\u5929\u5929\u71ac\u591c\u901a\u5bb5\uff0c\u660f\u5929\u9ed1\u5730\u7684\u65e5\u5b50\uff0c\u4e5f\u5df2\u7ecf\u5728\u534a\u4e2a\u6708\u524d\u968f\u7740\u6700\u540e\u4e00\u573a\u8003\u8bd5\u7684\u4ea4\u5377\u800c\u7ed3\u675f\u4e86\u3002\u8fd9\u4e00\u4e2a\u6708\u91cc\u53d1\u751f\u4e86\u5f88\u591a\u53d8\u5316\u3002\u5b8c\u6210\u4e86\u672c\u79d1\u671f\u95f4\u6700\u540e\u4e00\u95e8\u4e13\u4e1a\u8bfe\u8003\u8bd5\uff0c\u544a\u522b\u4e86\u76f8\u4f34\u4e24\u5e74\u7684\u5de5\u9ad8\u73ed\u7684\u540c\u5b66\uff0c\u534a\u53ea\u811a\u8e0f\u8fdb\u4e86\u897f\u6e56\u5927\u5b66\u7684\u5b9e\u9a8c\u5ba4\u2026\u2026\u867d\u7136\u6ca1\u6709\u6b63\u5f0f\u6bd5\u4e1a\uff0c\u4f46\u662f\u6211\u7684\u672c\u79d1\u751f\u6d3b\u2014\u2014\u6216\u8005\u8bf4\uff0c\u90a3\u4e9b\u548c\u540c\u5b66\u4e00\u8d77\u5750\u5728\u6559\u5ba4\u91cc\u542c\u8001\u5e08\u4eec\u8bb2\u8bfe\u7684\u751f\u6d3b\u2014\u2014\u4f3c\u4e4e\u771f\u7684\u5df2\u7ecf\u7ed3\u675f\u4e86\u3002\u4e00\u4e2a\u6708\u524d\u6211\u5c31\u77e5\u9053\u5c06\u53d1\u751f\u5f88\u591a\u53d8\u5316\uff0c\u90a3\u65f6\u9690\u9690\u6216\u8bb8\u671f\u5f85\u7740\u6539\u53d8\u540e\u7684\u7115\u7136\u65b0\u751f\uff1b\u4e00\u4e2a\u6708\u540e\uff0c\u8fd9\u4e9b\u53d8\u5316\u90fd\u5982\u9884\u671f\u4e00\u6837\u5730\u53d1\u751f\u4e86\uff0c\u5374\u662f\u4ee5\u4e00\u79cd\u5fd9\u788c\u4e2d\u7565\u5e26\u9ebb\u6728\u7684\u65b9\u5f0f\u3002<\/p>"},{"title":"\u7cfb\u7edf\u79d1\u5b66\u4e0e\u5de5\u7a0b\u590d\u4e60\u6574\u7406","link":"https:\/\/dong2000.xyz\/post\/system_sci_review\/","pubDate":"Sun, 12 Jun 2022 01:30:13 +0000","guid":"https:\/\/dong2000.xyz\/post\/system_sci_review\/","description":"

    \n

    \u6765\u81ea\u8001\u5e08\u7684\u8bfe\u7a0b\u8d44\u6599\uff0c\u8bf7\u52ff\u5546\u7528<\/p>\n<\/blockquote>\n

    \u7eea\u8bba<\/h1>\n

    \u7cfb\u7edf\u548c\u7cfb\u7edf\u79d1\u5b66<\/h2>\n

    \u7cfb\u7edf\u7684\u5b9a\u4e49<\/h3>\n

    \u73b0\u4ee3\u7cfb\u7edf\u7814\u7a76\u5f00\u521b\u8005\u8d1d\u5854\u6717\u83f2\u5bf9\u7cfb\u7edf\u7684\u5b9a\u4e49\uff1a<\/p>\n

    \n

    \u7cfb\u7edf\u662f\u76f8\u4e92\u4f5c\u7528<\/strong>\u7684\u591a\u5143\u7d20<\/strong>\u7684\u590d\u5408\u4f53\u3002<\/p>\n<\/blockquote>\n

    \u8be5\u5b9a\u4e49\u7684\u7cbe\u786e\u8bf4\u6cd5\u662f<\/p>\n

    \n

    \u5982\u679c\u4e00\u4e2a\u5bf9\u8c61\u96c6\u5408\u4e2d\u81f3\u5c11\u6709\u4e24\u4e2a\u53ef\u4ee5\u533a\u5206\u7684\u5bf9\u8c61\uff0c\u6240\u6709\u5bf9\u8c61\u6309\u7167\u53ef\u4ee5\u8fa8\u8ba4\u7684\u7279\u6709\u65b9\u5f0f\u76f8\u4e92\u8054\u7cfb\u5728\u4e00\u8d77\uff0c\u5c31\u79f0\u8be5\u96c6\u5408\u4e3a\u4e00\u4e2a\u7cfb\u7edf\u3002\u96c6\u5408\u4e2d\u5305\u542b\u7684\u5bf9\u8c61\u6210\u4e3a\u7cfb\u7edf\u7684\u7ec4\u6210\u90e8\u5206\uff08\u7ec4\u5206\uff09\uff0c\u6700\u5c0f\u7684\u3001\u4e0d\u9700\u8981\u518d\u7ec6\u5206\u7684\u7ec4\u5206\u79f0\u4e3a\u7cfb\u7edf\u7684\u5143\u7d20\u6216\u8981\u7d20\u3002<\/p>\n<\/blockquote>\n

    \u91cd\u70b9\uff1a<\/p>\n

      \n
    1. \u81f3\u5c11\u4e24\u4e2a\u5143\u7d20\u2014\u2014\u7cfb\u7edf\u7684\u591a\u5143\u6027<\/li>\n
    2. \u7ec4\u6210\u90e8\u5206\u76f8\u4e92\u4f5c\u7528\u2014\u2014\u77db\u76fe\u7684\u7edf\u4e00<\/li>\n<\/ol>"},{"title":"Sci-Hub + Python\u722c\u866b\u5b9e\u73b0\u6587\u732e\u6279\u91cf\u4e0b\u8f7d","link":"https:\/\/dong2000.xyz\/post\/crawl_papers_from_scihub\/","pubDate":"Wed, 18 May 2022 19:27:46 +0000","guid":"https:\/\/dong2000.xyz\/post\/crawl_papers_from_scihub\/","description":"
      \n\"image-20220518230710288\"\n<\/center>\n

      \u64cd\u4f5c\u601d\u8def<\/h1>\n