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
- 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。 - 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。 - 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。 - 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。 - 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。 - 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 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。 - 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。 - Analyzing the Difficulties in the Celestial Sphere's Coordinate System
天球坐标系的难点解析