First, modal analysis, discuss dynamic characteristics of the Mega Sub Structure dynamic characteristics.
首先进行了模态分析，研究了巨子型结构的动力特性。
According to the calculating methods of current rotor structure dynamic characteristics, a general calculating program of analyzing aero-engine rotor system is developed.
结合现有的转子结构动力特性计算方法，开发出分析航空发动机转子系统动力特性的通用计算程序。
By using seismic response spectrum and time history analysis method, the structure dynamic characteristics and deformation properties of main - building and connected structure are analyzed.
本文采用地震反应谱分析和时程分析方法，分析了主体和高位连接体结构的动力特性，结构变形特点。
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