apparent annual motion
常见例句
- He considered that it was caused by the non-uniformity of the apparent annual motion of the sun.
他认为这是由太阳周年视运动的不均匀引起的。 - Firstly, the size and location of the satellite shadow were determined by the semi-major axis of the satellite orbit and the annual motion of the apparent sun, respectively.
首先，分别利用轨道半长轴和太阳的周年视运动确定卫星地影的大小和位置变化； 返回 apparent annual motion