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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.
youdao
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安全系数是机械设计中普遍遇到的问题。
The investigation of safety factor is a basic problem in machine design.
youdao
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安全系数是机械设计中普遍遇到的问题。
The investigation of safety factor is a basic problem in machine design.
youdao