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qczdjl

于 2011-01-05 发布 文件大小:3KB
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代码说明:

  本程序是用数学方程试计算出一个点在一条线上的垂线坐标,并判断出在线内外,是测量中用的程序!(The test procedure is used to calculate the mathematical equation of a line a point in the vertical coordinate, and determine the line outside, the procedure used to measure!)

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