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

• 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。
• 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
• ( 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 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。
• 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。
• 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。
• 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。
• 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。
• 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