所谓的“火焰圈”是一个大型地质断层，形成于太平洋板块和其他版块交界处，由于地质活动频繁，常导致地震和火山。
The Ring of Fire is a chain of large faults associated with the Pacific plate’s interaction with surrounding plates, which can produce earthquakes and volcanoes.
即使假设并不严格成立，也常把地震波和电磁波看作是平面波。
Seismic and electromagnetic waves are treated as plane waves even though that assumption is not strictly correct.
通过常密度模型、变密度模型及地震反演得到的莫霍面的比较，证实变密度模型更适合于莫霍面结构的反演。
The variable density model is more suitable for inversion of Moho depths structures than constant density model by comparison of Moho depth from seismic inversion.
混凝土结构常承受动态荷载如地震、冲击、爆炸等的作用。
Concrete structures are often subjected to dynamic loads such as earthquake, impact and blast.
在山区，地震还能引起山崩和滑坡，常造成掩埋村镇的惨剧。
In the mountains, earthquakes and landslides also caused landslides, burying villages and towns often caused the tragedy.
爆炸现象如同地震、火灾、海啸等灾害一样，是人们生产生活中较常发生的灾害之一。
Explosion phenomena as earthquakes, fires, tsunamis and other disasters, is a disaster in people's production and life that occurs frequently.
内陆地区的地震前常产生热红外异常，而沿海地区的地震前则更容易出现潜热通量异常。
Satellite infrared anomalies are often found before inland earthquakes, and anomalous increase of surface heat latent flux is usually discovered before the earthquakes in coastal areas.
根据相似关系得到了原结构的在给定的常遇和罕遇人工地震波激励下的动力响应。
According to the similarity relationship, dynamic response of the real bridge structure is got under the action of given general and unusual simulation seismic excitations.
在弹塑性地震反应分析的基础上，对拼装式双柱桥墩接头在常遇小震及罕遇大震时的抗震能力进行了评估。
The dynamic characteristics and seismic responses of assembly double column pier are investigated in details in this study.
汶川大地震给我们带来太多的悲伤，常使我们泪满襟，同时也给我们带来太多的感动，常使我们热泪流。
Wenchuan earthquake has brought us too much grief, so that we often tears for Jin, and also give us too many moving, and often so that we tears flow.
汶川大地震给我们带来太多的悲伤，常使我们泪满襟，同时也给我们带来太多的感动，常使我们热泪流。
Wenchuan earthquake has brought us too much grief, so that we often tears for Jin, and also give us too many moving, and often so that we tears flow.
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