the meridian circle的意思|示意

They are the curvature corrections for recording time at the determined zenith distances when a star passes the prime vertical and the meridian circle.

卯酉方向天顶距的星径曲率改正以及子午方向天顶距的星径曲率改正。

So, that's actually a great circle meridian of length, well, I mean, well, the radius is the radius of the sphere.

路程就是个大圆，我的意思是，这个圆的半径是球的半径。

If you start from that North Pole as centre, then the circle with radius equal to a half meridian is the equator, and the area included is the northern hemisphere.

如果你以北极点为中心开始画圆，那么半径和半个子午线相等的圆周就是赤道，它包含的区域就是北半球。

The errors of the circle of a meridian circle will immediately affect the precision in determining celestial bodies' declinations.

刻度盘的误差，是子午环固有的仪器误差之一，它直接影响了天体赤纬的测定精度。

In order to obtain higher measured accuracy of star's positions by the low-latitude meridian circle, it is needed to measure the astronomical refraction to the stars of different spectral types.

提出在低纬子午环上，对不同光谱型的天体测定出天文折射，以提高星位测定的精度。

Conclusion: Pricking Therapy on Meridian Circle in skin has a remarkable curative effect on the treatment of cerebral paralysis.

结论：经络环皮部挑治法治疗小儿脑瘫疗效显著。