astrometry
n. 天体测定
形容词：astrometric
英英释义
Noun
- the branch of astronomy that deals with the measurement of the position and motion of celestial bodies
例句
- Astrometry has other advantages as well. 天体测量也有其他优势。
- 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。
- It is specialized in astrometry and survey operations. 它是空间测量学专业船只。
- The work of this paper may offer some reference and gist for research on astrometry and geodesy. 本文的工作可为天文大地测量的研究提供一定的参考和依据。
- The ESA astrometry satellite HIPPARCOS will be launched in the first part of 1988 or later. 欧洲空间局专门用作空间天体测量的伊巴谷卫星将于1988年上半年发射。
- 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。