The dynamic contact problem is a newsubject in the contact mechanics.
动接触问题是接触力学领域里的新课题。
According to both of mechanics principle and concept, contact also unify to only one method.
根据二者的力学原理与概念，联系并统一为一个方法。
According to both of mechanics principle and concept, contact also unify to only one method.
根据二者的力学原理与概念，联系并统一为一个方法。
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