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
- Its intersection with the celestial sphere will be a great circle& the ecliptic.
它与天球相交处形成一个大圆&黄道。 - 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 - 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。 - Analyzing the Difficulties in the Celestial Sphere's Coordinate System
天球坐标系的难点解析 - 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。 - 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。 - 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。 - 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。 - 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。 - Analysis on the Position Sensitive Detector Positioning Error Caused by Laser Spot Using New Three-Ray Model The purple dots on the celestial sphere mark the locations of pulsars that have already been detected.
采用三线位置敏感探测器定位模型分析光斑对定位精度的影响屏保中紫色的点表示已探测到的脉冲星位置。