Through free vibration frequencies analysis of 44 PSGs, the general rule of PSGs is achieved and influence factors for PSGs are determined.
通过对44种网架自由振动频率的分析，得出了网架自由振动的一般规律，确定了网架自由振动频率的影响因素。
Through free vibration frequencies analysis of 44 PSGs, the general rule of PSGs is achieved and influence factors for PSGs are determined.
通过对44种网架自由振动频率的分析，得出了网架自由振动的一般规律，确定了网架自由振动频率的影响因素。
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