equatorial moment of inertia

例句：

1. 1. The Earth's axis is oriented towards the Equator.
   地球的轴线指向赤道。
2. 2. This planet has an equatorial bulge.
   这个星球有一个赤道凸起。
3. 3. The moon's gravity is influenced by its equatorial bulge.
   月球的重力受到其赤道凸起的影响。