天体测量用英语怎么说？

天体测量

例句

• In this paper, the present situation in research on relativity in astrometry was summarized. 本文综述了对天体测量中的相对论问题的现有讨论所导出的结论.
• A new theoretical system of astrometry in the frame of relativity ought to be finished. 天体测量学需要在相对论框架下重新建立自己的理论体系.
• Visual position measurements in astrometry are most affected. 天体测量学中视位置的测量受影响最大.