In this paper, the space free vibration analysis model for track structure is established.
本文建立了轨道结构空间自由振动模型。
The mathematical model of longitudinal vibration bars is directly used for the dynamic analysis of helical springs.
直接把均匀杆纵向振动的数学模型用于弹簧的动力分析。
It is also compared that the difference between three-dimension and two-dimension model of building in vibration analysis.
比较了建筑三维模型和二维模型用于振动计算的区别。
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