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
  Synonym:sphereempyreanfirmamentheavensvault of heavenwelkin

双语例句

• 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。
• 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
• 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。
• The simulation results indicate that Rosette and Common-track constellations, whose satellites are distributed in the celestial sphere uniformly, are appropriate for MEO-TDRSS of China.
  仿真结果表明，我国的中轨TDRSS宜采用具备卫星全球均匀分布特性的玫瑰星座和共地面轨迹星座。
• 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。
• 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 purple dots on the celestial sphere mark the locations of pulsars that have already been detected.
  屏保中紫色的点表示已探测到的脉冲星位置。
• 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。
• 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。