main tilting axis

例句：

1. 1. The main tilting axis of the planet is located atthe center of the solar system.
   行星的主要倾斜轴位于太阳系的中心。
2. 2. The maintilting axis of the Earth'srotation is perpendicular to theequatorial plane.
   地球自转的主要倾斜轴与赤道平面垂直。
3. 3. Themain tilting axis of the satellite's orbit is aligned with the sun's equator.
   卫星轨道的主要倾斜轴与太阳的赤道对齐。