引入弹性恢复系数法描述砂粒间碰撞问题。

The restitution coefficient was applied to describe the impact problem.

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切向系数是对碰撞过程切向损耗的一种描写。

Its a description of the tangential loss in the collision process.

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切向系数是对碰撞过程切向损耗的一种描写。

Its a description of the tangential loss in the collision process.

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