angular motion

例句：

1. 1. The angular momentum of the planets is determined by their mass and distance from the sun.
   行星的角动量由其质量和离太阳的距离决定。
2. 2. In aerodynamics, angular momentum is used to describe how an object moves when it rotates around its axis.
   在空气动力学中，角动量用来描述物体绕其轴旋转时的运动情况。
3. 3. The angular momentum of the Earth's rotation is crucial for understanding its climate system.
   地球自转的角动量对于理解其气候系统至关重要。