The vertical vibrations of building structures under ambient vibration or earthquake could not be ignored, and vertical vibration isolation devices are needed to reduce the dynamic amplitude.
结构在环境振动或地震作用下的竖向振动不容忽略，有必要采取竖向隔振装置进行减振控制。
Amplitude characteristics of vertical ground surface vibration caused by explosion seism are studied by using the experimental method.
对地面附近爆炸地震引起的地面竖向振动幅值特性进行了实验研究。
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