random earthquake motion field 随机地震动场
far-field earthquake motion 远场地震运动
near-field earthquake motion 近场地震运动
Field observations after 921 earthquake show that the irregular basement has serious damage because of amplification of ground motion.
在921地震后，经观察发现，半开挖式地下室结构损毁情形大部分比全开挖式结构严重。
This paper mainly Outlines the new progress made in plate motion, lithostatic stress field, fault mechanics, active structure and long-term earthquake prediction.
文章主要对板块运动、岩石圈应力场、断层力学、活动构造、长期地震预测方面的新进展做了概略介绍。
The results indicate that the presented method could illuminate the saturation effect in near field and attenuating characteristics of strong ground motion in far field from large earthquake.
结果表明，建议的方法能反映近场强震地震动饱和的效应和大震远场衰减的特点。
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