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<\/p>\n<p>\u8fd9\u4e2a\u95ee\u9898\u73b0\u5728\u770b\u6765\u597d\u8c61\u8d8a\u6765\u8d8a\u590d\u6742\u4e86\u3002\u4e0d\u8981\u7d27\uff0c\u770b\u770b\u4e0b\u9762\u8fd9\u4e2a\u516c\u5f0f\u4f60\u5c31\u4f1a\u5b8c\u5168\u7406\u89e3\u4e86\uff0c\u53ea\u662f\u9700\u8981\u4e00\u70b9\u6570\u5b66\u77e5\u8bc6\u3002 <\/p>\n<p>\u9996\u5148\u8ba9\u6211\u4eec\u6765\u89e3\u91ca\u4e00\u4e0b\u4ec0\u4e48\u662f\u963b\u5c3c\u56e0\u6570(damping factor)\u3002\u963b\u5c3c\u56e0\u7d20\u5c31\u662f\u5f53\u4f60\u6295\u7968\u6216\u94fe\u63a5\u5230\u53e6\u5916\u4e00\u4e2a\u7ad9\u70b9\u65f6\u6240\u83b7\u5f97\u7684\u5b9e\u9645PR\u5206\u503c\u3002\u963b\u5c3c\u56e0\u6570\u4e00\u822c\u662f0.85\u3002\u5f53\u7136\u6bd4\u8d77\u4f60\u7f51\u7ad9\u7684\u5b9e\u9645PR\u503c\uff0c\u5b83\u5c31\u663e\u5f97\u5fae\u4e0d\u8db3\u9053\u4e86\u3002\u73b0\u5728\u8ba9\u6211\u4eec\u6765\u770b\u770b\u8fd9\u4e2aPR\u5206\u503c\u7684\u8ba1\u7b97\u516c\u5f0f\uff1a <\/p>\n<p>PR(A) = (1-d) + d(PR(t1)\/C(t1) + &#8230; + PR(tn)\/C(tn)) 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