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

• 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。
• 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 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 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。
• 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。
• D; ( 3) establishing theoretical relations between polar motion of rotational axis, polar motion and precession-nutation of either celestial sphere reference axis;
  建立了自转轴极移和任一天球参考轴极移和章动之间的理论关系；
• 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。
• C++ software is used to classify tri-stars of the guide stars in celestial sphere and implement the method. It is concluded that the SOFM network can reflect the complicated information among star patterns better.
  应用C++软件编程，对全天导航星星表的星信息进行了星三角采样、分类，指出SOFM网络可以很好地提取、反映星表中的复杂信息。
• 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。
• 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。