度量为坐标系定义的几何函数，有了它，坐标系上任意两点间的距离可以通过点的坐标来计算。
A geometric function defined for a coordinate system such that the distance between any two points in that system may be determined from their coordinates.
本文介绍了利用动态规划法来寻找图中任意两点间最短距离的算法，并将其时间复杂度与一般方法作了比较。
Introduces the algorithm using dynamic programming to search the shortest distance between two points in graph, and compares the complexity with ordinary method.
本文介绍了利用动态规划法来寻找图中任意两点间最短距离的算法，并将其时间复杂度与一般方法作了比较。
Introduces the algorithm using dynamic programming to search the shortest distance between two points in graph, and compares the complexity with ordinary method.
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