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
- The arc length is new type technology that depends on principle of arc length changeless to use Polaris with other star in the celestial sphere.
弧长法则是利用天球中北极星与任一颗恒星弧长不变的原理而发展起来的新型技术。 - 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。 - Through the analysis of the origin of the Chi System, the author has also obtained that the semi-diameter of the celestial sphere is about 13 meters.
通过对尺寸系统起源的分析，认为古人裸眼目视观测时的天球半径约为13米上下。 - 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。 - 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 - 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。 - 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。 - 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 - Analyzing the Difficulties in the Celestial Sphere's Coordinate System
天球坐标系的难点解析 - 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。