作为地震动强度指标，峰值加速度一直是研究最多的物理量。

As the intensity index of ground motion, PGA (peak ground acceleration) is often employed and analyzed.

youdao

作为地震动强度指标，峰值加速度一直是研究最多的物理量。

As the intensity index of ground motion, PGA (peak ground acceleration) is often employed and analyzed.

youdao