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
- 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。 - 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。 - Analyzing the Difficulties in the Celestial Sphere's Coordinate System
天球坐标系的难点解析 - ( 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。 - The point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars.
天球上的一个点，太阳和月亮构成的系统看上去都在相对于这个点运动。 - A great circle on the celestial sphere passing through the zenith and perpendicular to the horizon.
与水平线垂直的宇宙天体范围内的大圈，它经过天顶和地点。 - A great circle on the celestial sphere that passes through both celestial poles.
通过天体球两极与天体赤道成直角相切的大圈。 - A Method for Scanning the Celestial Sphere using Real-coded Genetic Algorithm
基于实值编码GA的卫星巡天扫描方法 - 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。 - 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。