celestial sphere
英 [səˈlestiəl sfɪə(r)]
美 [səˈlestʃl sfɪr]
天球
英英释义
noun
- the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
双语例句
- Intelligent Model of Astronomical Satellite Using GA for Scanning the Celestial Sphere
天文卫星巡天扫描智能规划模型及仿真 - These records can be quantified to apparent scales ( angular diameter) according to the Model of Celestial Sphere used by Chinese ancients. Then we can reduce the size to a brightness on the basis of some "standard points".
这些记录可以按古人目视观测天象的天球模型进行视大小（角直径）的量化，进而可以用一些已知亮度的流星记录为标准点，将其归算为亮度。 - ( astronomy) moving from west to east on the celestial sphere; or for planets around the sun in the same direction as the Earth.
（天文学）在天球上从西向东运动；或者指行星按地球运动的方向绕着太阳转。 - Astronomers have divided the celestial sphere into a total of 88 regions.
天文学家已把天球划分为88个区域。 - The great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth.
天球上的一个大圆，有一个通过地球的中心并与观察者的视野平行的平面。 - Either of two points on the celestial sphere at which the ecliptic intersects the celestial equator.
二分点在天球上天赤道与黄道相切的两点中的任一点。 - One of two points of intersection of the Earth's axis and the celestial sphere.
地轴延线与天球相交的两点之一。 - 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。 - A point in the heavens ( on the celestial sphere).
天上的一个点（在天球上）。 - Or approximately, it may be defined as the intersection of the diurnal mean direction of rotation axis with the celestial sphere.
近似地，可以认为天极是自转轴的周日平均方向与天球的交点。