运用车桥耦合振动理论，建立铁路车辆曲线通过模型动力方程、曲线梁桥模型及其动力方程。
By applying vehicle-bridge vibration theory, dynamical model and equation of railway curve negotiating vehicle as well as the model and equation of curve beam bridge are established.
首先从机电动力学出发，描述了机电弹性系统模型并以现代控制理论为基础，阐述了机电振动产生的机理。
Firstly, the flexibility model of main drive system of rolling mill is described. The mechanism of electromechanical vibration is set forth based on modern control theory.
基于动力学理论重点讨论了动涡旋盘和曲轴的振动特点，建立了振动分析数学模型。
Based on the dynamic theory, the vibrational pattern of the orbiter and crankshaft of scroll compressor is emphatically discussed and the mathematical model of vibration is established.
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