Therefore, distances measured on or near the surface of the earth are not along straight lines or planes, but on a curved surface.
因此,在地球表面上或附近测量距离并不是沿着直线或平面进行,而是在一个曲面上。
Therefore, distances measured on or near the surface of the earth are not along straight lines or planes, but on a curved surface.
因此,在地球表面上或附近测量距离并不是沿着直线或平面进行,而是在一个曲面上。
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