angular momentum vector造句

例句与造句

1. Orbital angular momentum vector
   轨道角动量矢量
2. In the motion , the direction of angular momentum vector changes every moment , because there is a torque caused by gravity act on the wheel , then the wheel rotate itself and rotate around the fixed point
   车轮进动实验：在进动中，角动量的矢量方向不断改变，是因为受到一个由重力产生的力矩，使车轮在自转的同时又绕支点转动。
3. It's difficult to find angular momentum vector in a sentence. 用angular momentum vector造句挺难的