摘要: public static double GetCoorDistance(double x1, double y1, double x2, double y2) { double num = 111120.0; double num2 = num * Math.Cos((y1 + y2) * ... 阅读全文
posted @ 2008-10-15 15:32 半克拉鹅卵石 阅读(342) 评论(0) 推荐(0) 编辑