At The top of swing

The motor drives a gear at the top of the tail, causing the tail to swing back and forth, which propels the robot upward.

发动机带动机器人尾巴顶部的齿轮，引导尾巴前后摇摆，推动其上升。

By raising your legs at the top of each swing, you can raise the overall center of mass of your body, effectively raising the height of your swing.

通过每次在当秋千时的最高点伸直你的腿可以使你全身的质心升高，这样就能有效地增大你晃动时的高度。

The rocking is the main part of seismic acceleration at the top of super structure, the swing takes the second place, and elastic deformation is quite small.

上部结构柱顶加速度反应主要由基础转动引起的摆动分量组成，平动分量次之，而弹性变形分量很小。