Then next week we'll do more complicated problems that involve motion in higher dimensions, how to go to two dimensions or three dimensions.
下周我们将会处理更复杂的问题,包括更高维数的物体运动,如何处理二维以及三维运动
By putting the two together, out comes the elliptical motion of the planets.
将这两个式子联立,就得到了行星作椭圆运动的方程
应用推荐