使用基本的运动方程来计算低地球轨道太空船的运动姿态。
Formulate and solve for the equations of motion using both the Newtonian and Lagrangian formulations .
我们有白天和黑夜,一年有四季就是因为地球在太空中旋转的运动。
We have day and night and the four seasonsbecause of the movement ofthe earth as it spins in space .