本文对一种目标函数为非线性函数的0—1规划问题提出了一种运用赋权偶图及完美对集的求解方法。
This article gives a solution to the programming 0-1 problem whose objective function is a nonlinear function, by applying weighted bipartite graph and perfect matching.
今天的图片集是对一个特殊群体的礼赞，这些家伙们全都滑溜溜或黏溚溚，或两者兼而有之——我们收集了整整100幅爬行动物和两栖动物的完美照片。
Today’s photo collection is a tribute to all things scaly, slimy, or perhaps even both. We have gathered one hundred impeccable examples of reptile and amphibian photography.
今天的图片集是对一个特殊群体的礼赞，这些家伙们全都滑溜溜或黏溚溚，或两者兼而有之——我们收集了整整100幅爬行动物和两栖动物的完美照片。
Today’s photo collection is a tribute to all things scaly, slimy, or perhaps even both. We have gathered one hundred impeccable examples of reptile and amphibian photography.
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