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
- ( 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。 - 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。 - One of two points of intersection of the Earth's axis and the celestial sphere.
地轴延线与天球相交的两点之一。 - 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。 - The great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth.
天球上的一个大圆，有一个通过地球的中心并与观察者的视野平行的平面。 - 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。 - A great circle on the celestial sphere that passes through both celestial poles.
通过天体球两极与天体赤道成直角相切的大圈。 - 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 - 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 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。