1.
AN ASTRONOMICAL MEASUREMENT OF THE MOTION OF THE NORTH AMERICAN AND EURASIAN PLATES DURING THE YEARS 1962-1982
对1962—1982年间北美欧亚板块间运动的天文测定
2.
Atmospheric Refraction and Building a Local Observational Model
测定瞬时天文大气折射值和建立本地实测模型
3.
EUV Response Calibration of Astronomic CCD
空间天文CCD在EUV波段的光谱响应定标测试
4.
vehicles for space astronomical observation
空间天文观测航天器
5.
model of the celestial sphere; used by early astronomers to determine the positions of stars.
天球的模型；早期天文学家用的测定星体位置的仪器。
6.
HubBle's law
哈勃定律(天文学)
7.
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。
8.
Thus, astronomers can determine an asteroid's orbit sooner, predicting whether it will hit the Earth or not.
这样天文学家才能尽快确定小行星的轨道，预测它是否会撞击地球。
9.
Mackie concluded that ancient people probably built the ledge as an astronomical observation platform.
麦凯断定，古人筑起这个凸岩大概是为了作天文观测台用的。
10.
The requirement of minimization for the Dewar is increasing in the development of astronomical technique.
随着天文实测的发展 ,对小型化杜瓦出现了一定需求。
11.
balloon-based radio astronomy
气球观测无线电天文学
12.
terrestrial mapping astronomical theodolite
地面测绘天文经纬仪
13.
advanced orbiting astronomical observatory
高级轨道天文观测台
14.
a building designed and equipped to observe astronomical phenomena.
有天文观测仪器可以观测天文现象的一个台子。
15.
celestial fix
天体导航法测定船位
16.
absolute determination of position of celestial body
天体位置的绝对测定
17.
relative determination of position of celestial body
天体位置的相对测定
18.
Natural latex-Determination of pH
天然胶乳 的ph测定