1.
absolute determination of position of celestial body
天体位置的绝对测定
2.
relative determination of position of celestial body
天体位置的相对测定
3.
The scientific measurement of the positions and motions of celestial bodies.
天体测量学天体位置及运动的科学测量
4.
the branch of astronomy that deals with the measurement of the position and motion of celestial bodies.
天文学中有关天体位置与运动的测量的分支。
5.
a method of controlling the flight of a missile or spacecraft by reference to the positions of celestial bodies.
根据天体位置引导导弹或者飞行器飞行的方法。
6.
Goto, which moves the map to the location of the object currently selected in the list.
将星图转动到当前列表中所选的天体位置。
7.
The position of two celestial bodies on the celestial sphere when they have the same celestial longitude.
合两个天体在天球中处于同一天球经线的位置
8.
The scientific study of matter in outer space, especially the positions, dimensions, distribution, motion, composition, energy, and evolution of celestial bodies and phenomena.
天文学外层空间事物的科学研究，尤指天体及天文现象的位置、大
9.
An abnormal location or position of an organ or a body part, occurring congenitally or as the result of injury.
异位器官或身体部位的位置异常、先天性或由受伤造成
10.
The position of a celestial body when it is separated from another by a45= angle.
八分圆一个天体当它成45°角与另一天体分离时所处的位置
11.
a chart showing the relative positions of the stars in a particular part of the sky.
表明星体在天空中特定部分的相对位置的图。
12.
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。
13.
Determination in ignition position for open flow gas of gas well containing sulfur
含硫天然气井放喷气体点火位置的确定
14.
astrometric position
天体或宇宙飞行器在天球上位置(经过光行差改正
15.
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。
16.
A configuration in which the position of one celestial body is90=from another celestial body, as measured from a third.
方照一种布局，其中某天体的位置与另一天体成90度，如从第三天体测量
17.
automated astronomic positioning device
自动化天文定位装置
18.
Celestial mechanics enables astronomers to calculate the positions of the planets at any time in the post or future and to predict the movements of comets.
天体力学使文学家能计算出行星在过去或将来任何时候的位置，并能预报彗星的运行位置。