以下为句子列表：
英文: In order to improve the existing methodology of carpool information retrieval, on the basis of the region to region algorithm and by the use of the graph theory, an algorithm based on traffic network and its complexity analysis were presented.
中文: 低效率的信息交流方式制约了合乘出行方式的发展，针对现有合乘信息检索方式的不足，在区域－区域匹配算法的基础上，引入图的概念，提出了一个基于交通路网的路径匹配算法，并给出了算法复杂度分析。
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英文: On the base of Wilson model and Graph Theory, the model of location model of region key city, which is tried to be used to search quantificationally appropriate location of region key city in exoteric condition is constructed.
中文: 摘要以图论和威尔逊模型为理论基础，构建了区域中心城市适宜区位的模型，试图定量确定开放条件下区域中心城市的适宜区位。
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英文: This paper discusses the application of Graph Theory in simplifying the loopcurrent equations, using some samples accounts for the application.
中文: 摘要结合在电路分析课程教学中的体会，讨论图论在简化复杂电路的回路电流方程上的应用。并结合一些实例，说明该方法解题的思路和步骤。
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英文: Three steps of the method are, first, genetic algorithm is adopted in the whole planning area to hunt the possible traverse sequence of the substations; second, the least weight match algorithm in graph theory is adopted to optimize the tie lines between
中文: 第一层优化是在整个规划区域内，应用遗传算法搜索可能的变电站的遍历顺序；第二层优化是按照第一层优化确定的遍历顺序，应用纲络图论中的最小权匹配算法分别对每一个变电站与其相邻站之间的联络线进行优化。
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