The line depicts the diameter of the circle and the two small circles represent two planets at their greatest distance from each other.
这根线描述了圆的直径,以及两个小圆代表了两个行星之间的最大距离。
Geodetic theodolites generally have circles of about 140mm diameter.
大地经纬仪的度盘直径一般为140毫米。
Geodetic theodolites generally have circles of about 140mm diameter.
大地经纬仪的度盘直径一般为140毫米。
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