Modern mechanical structure dynamic design is produced in the background, and it is one of the hot fields studied of the vibration engineering in these years.
现代机械结构动态设计就是在这个背景下应运而生的一种科学设计方法，也是近年来振动工程界开展的最广泛的研究领域之一。
The paper take the advantage of modal analysis technic in vibration engineering to study the vibration characteristic of the pile system from the vibration theory view.
针对波动理论对于桩截面渐变时不再适用这一情况，本文利用振动工程中的模态分析技术，从振动理论角度，对桩基系统的振动特性进行研究。
The study on the transmission of power flow in complex vibration system is a valuable research issue in vibration field and the key research in the vibration engineering field.
复杂隔振系统的振动传递特性研究是振动噪声控制领域具有实际工程意义的研究方向，是振动工程界当前的热点研究问题。
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