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
- 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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 - 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。 - 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。