对地震大小和频率更详细的统计可以从美国地质测量局得到。
More detailed statistics on the size and frequency of earthquakes is available from the USGS.
找出不同区域的有效的参量组合结构，判断后续聚类结构，对未来地震大小做出预测。
Found the best parameters' combination structure of different regions, determined the latter clustering structure, and predicted the future earthquakes magnitude.
动力试验表明，由于耗能支撑滑动荷载不变，它的顶点最大加速度反应同地震大小及其频率特性无关。
Vibration test shows that the maximum acceleration response at the bracing top is not related to earthquake magnitude and its frequency characteristics since its sliding force remains unchanged.
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