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。
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.
一种主流看法认为是重力潮汐作用改变了月球的外壳，并使其向一侧倾斜，但该新理论是以解释月球成因的“大碰撞”模型为基础的。
One leading idea is that gravitational tidal forces reshaped the moon's crust and made it lopsided. But the new theory builds on the "giant impact" model that explains the moon's creation.
考虑汽车侧围结构的碰撞安全性，由整车侧撞有限元模型导出了侧围子结构模型。
Considering crash safety of the car side structure, a sub-structure model of the car side assembly was derived based on the side impact finite element model.
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