以上来源于: WordNet
Modern geodesy, is used the stars to determine the earth a between meridian arc length.
近代大地测量中，是利用恒星来测定地球某两地间子午线弧长的。
As long as the precise sensing a meridian arc length, we can easily calculate the circumference of the earth.
只要精确测知一段子午线弧长，便会很容易地计算出地球的周长。
The solution of arc length of sectional ellipse for geodetic problem, which is based on the direct algorithm of meridian arc length is introduced in this paper.
介绍了利用子午线弧长的直接算法来解算大地问题中截面椭圆弧长的一种直接解法。
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