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
- Analyzing the Difficulties in the Celestial Sphere's Coordinate System
天球坐标系的难点解析 - 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。 - 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。 - 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。 - With 486 partitions, an equal partition method of celestial sphere without overlap is firstly presented to speed up guide star indexing.
首先提出在直角坐标系下将天球球面均匀地分成486个分区的方法&内接正方体法，实现导航星的快速检索。 - A point in the heavens ( on the celestial sphere).
天上的一个点（在天球上）。 - If you watch over the period of a day you will see that they move around the celestial sphere once in a period of 24 hours.
如果你对着屏保看一天，上面的星体也将在24小时内围绕天球旋转一圈。 - 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。 - 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 - 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。