Section Four is the dynamic study of passive voice on context.
第四部分是对被动语态的语境动态研究。
A new method for the dynamic study of vehicle-bridge system has been presented here.
用频谱分析的方法研究了车桥系统由路面不平顺引起的动力响应。
A new method for the dynamic study of vehicle-bridge system has been presented here.
用频谱分析的方法研究了车桥系统由路面不平顺引起的动力响应。
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