通过模态分析，得到表征试件动力特征的参数。
Some parameters which signify the dynamic properties of specimens were obtained from modal analysis.
通过模态分析，得到立柱和底座的前几阶固有频率和振型。
Modal analyses of the base frame and the vertical column were carried out to investigate their dynamic characters.
通过模态分析、瞬态动力学的方法，分析了叶片的动频、动应力。
Static and dynamic frequency and dynamic stress are analyzed by using the modal analysis method and the transient dynamics method.
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