发布时间:2025-02-06 00:44:53
示坡度最为常用的方法,即两点的高程差与其水平距离的百分比,其计算公式如下:
坡度 = (高程差/水平距离)x100%
两年多没有用的电信号码今年突然发信息给我说欠费一千多可是 不是三个月就自动报停了吗
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