星期五地震震中的峰值地面加速度或者振动接近距离震中110英里（172公里）的福岛第一核电站设计承受能力的2倍。
Peak ground acceleration, or shaking, caused by Friday's earthquake was nearly double—at its epicenter—than what the Fukushima Daiichi plant, 110 miles (172 km) away, was built to withstand.
名单中所列出的19座大坝被水平地面加速度峰值大于0.3g的地震震毁，其中包括原来所列名单中的5座大坝。
Now 19 DAMS are listed in table 1 that were shaken by peak horizontal ground accelerations (PHGA) greater than 0.3g. The new list includes five DAMS from the original table.
根据云南地区的实测强震加速度资料，采用回归分析法研究了云南地区的地面水平、垂直峰值加速度衰减规律。
Based on the observed data of strong motion acceleration in Yunnan region, the surface attenuation pattern at horizontal and vertical peak acceleration is studied by regressive analyzing method.
然后，根据加速度峰值等效原则，选代计算得到地面的加速度功率谱密度曲线；
Then, the power spectral density (PSD) of the acceleration at ground level is evaluated by an iterative approach according to the principle of equivalent peak acceleration.
然后，根据加速度峰值等效原则，选代计算得到地面的加速度功率谱密度曲线；
Then, the power spectral density (PSD) of the acceleration at ground level is evaluated by an iterative approach according to the principle of equivalent peak acceleration.
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