With the vector data structure created, we study a lot of spatial analyze arithmetic, such as the shortest path arithmetic.

同时，根据所建立的矢量数据结构，我们研究了一些空间分析算法，如最短路径算法等。

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According to the theory of flow of network, using shortest path arithmetic model, aided decision system function of best path choice was realized.

依据网络流理论，选取最短路径算法模型，实现医疗后送最佳路径选择这一辅助决策功能。

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