At first the method for calculating the fundamental natural frequency of structure is researched.
首先研究了结构的最低阶固有频率的计算方法。
In dynamic analysis, the natural frequency is given from the first mode to fifth mode.
在动态分析中，计算出了塔架前五阶固有频率。
In dynamic analysis, the natural frequency is given from the first mode to fifth mode.
在动态分析中，计算出了塔架前五阶固有频率。
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