Like squashing one end of a tube of toothpaste, the impact also pushes subsurface magma to the opposite side of the moon from the crash point.
碰撞过程会像挤牙膏一样把月表下的岩浆从碰撞点挤向另一侧。
2
We also analyse the critical velocity, at which elastic deformation translate to plastic deformation when the bullet impact the tube.
同时也分析了冲头对圆管碰撞时，导致圆管由弹性变形向塑性变形转化学的临界速度值。
3
Matching characteristics among linear compressor, regenerator, pulse tube and inertance tube have large impact on the performance of high frequency pulse tube cryocooler.