Seismically quiet periods and active periods;
稳定区与活动区；
The affected area is part of a seismically active zone.
受灾地区属于地震活动区。
California is one of the most seismically active regions in the world.
加利福尼亚是世界上最活跃的地震活跃区域之一。
Also, Haiti is a very poor country, with few seismically-safe buildings.
另外，海地是一个非常贫困的国家，那里没有抗震的建筑物。
Bridges are the most seismically vulnerable structures in a highway system.
桥梁是交通生命线系统中的重要枢纽结构。
The New Madrid Fault remains a seismically active area and experts expect a repeat.
新马德里断层仍然是一个地震活跃地区，专家预计一重复。
But straw buildings might do well in seismically active places that are less wealthy.
但是稻草建筑也许会在地震活跃但是较不富裕的地方施展得很好。
It is also currently being seismically retrofitted, with a planned completion date in 2012.
这也是目前进行计划，通过竣工日期为2012年。
Submarine pipelines constructed in seismically active regions may be damaged under seismic load.
铺设在地震活跃区域的海底管道可能在地震荷载作用下发生破坏。
Dynamic finite element method was presented for evaluating seismically-induced permanent deformation of subway tunnel.
采用动力有限元数值分析方法，提出估算地铁隧道地震响应永久变形的有限元计算模型。
Gutberlet says, aside from avoiding seismically unstable spots on the ocean floor, it is impossible to forecast such problems.
古特伯赖特说，在铺设电缆的过程中，除了避免太平洋洋底的地质不稳定的地点之外，人们不可能预测地震会造成什么问题。
The most seismically active region on the planet, the Ring of Fire has triggered countless quakes, volcanic eruptions and tsunamis.
火圈带中已经发生过无数次地震、火山爆发和海啸。
We began our search in one of the world's most seismically active regions— the San Andreas Fault system that runs through California.
我们从全世界地震最活跃的区域著手：绵亘美国加州的圣安地列斯断层系统 。
None of the shocks has been particularly damaging — the largest was about magnitude 5 — but the area had no record of being seismically active.
这些震动中没有哪次是特别具有损坏性的——最大的一次也就达到了里氏五级——但是当地没有记录到这次地震发生。
It is one of the most seismically stable and tallest buildings in the world. It is the second tallest building in Kazakhstan and 32nd in the world.
它是世界上最高的，最抗震的建筑物之一，是哈萨克斯坦第二高的建筑物，世界排名第32位。
Caruso says the three recent Pacific quakes are all related to the so-called "ring of fire, " a seismically active region that surrounds the ocean.
Caruso说，近期的三次地震都与“火环”有关（“火环”指的是海洋周围的地震活跃地带）。
Along with the western coast of North and South America, Central America lies on the Ring of Fire, a seismically active loop that encircles the Pacific Ocean.
沿着北美和南美的西部海岸，中美洲位于环绕太平洋地震活跃圈的火山带上。
The recent quakes in Japan, New Zealand and Chile were all located on the ring of fire, a seismically active zone encircling the basin of the Pacific Ocean.
最近日本、新西兰和智利的地震都是发生在“火环带”上，这是一个环太平洋的地震活跃带。
Woodside argues that an onshore plant would be both much more expensive and technically risky, entailing a pipeline through a “seismically active” 3km-deep ocean trough.
Woodside声称建设陆地平台的成本和技术风险要大得多，必然要铺设一条管道通过一个“地震频发”的3千米深海沟。
The region is seismically active and has been subject to destructive earthquakes in the past, most recently in 1963 when Skopje was heavily damaged by a major earthquake.
地震频繁且过去已经历多次破坏性地震,最近的一次是在 1963 年，斯科普里遭到地震的严重破坏。
It is a shocking event that reminds people of some more basic risks that may threaten the economies of the densely-populated and seismically vulnerable Japanese archipelago.
这是一个触目惊心的事例，提醒人们，还有一些更为基本的风险，可能威胁到人口稠密、易受地震冲击的日本列岛上的经济活动。
Japan is one of the most seismically active countries and this shock was one of several to have struck the North-East this week, including one of magnitude 7.3 on Wednesday.
日本是一个多地震活动的国家。本周发生在东北部地区的这次地震时多起地震中的一个，包括此前，星期三发生的一次里氏7.3级的地震。
Moreover, unlike Haiti, which had not suffered an earthquake since 1770, Chile lies in one of the world’s most seismically active zones, along the Pacific “ring of fire.”
再有，和自1770年以来就没有发生过地震的海地不同，智利处在世界上最活跃的地震带之一，挨着太平洋的“火圈”。
Splitting his time between two of the more seismically active regions of the world, your correspondent has at least learned not to panic when the ground lurches violently.
常年在地球上两个比较活跃的地震带之间来来回回，最起码你们的记者学会了在地面剧烈晃动的时候不慌张。
Based on the variational principle, the dynamic responses of flexible cylindrical liquid storage tanks, excited seismically have been analyzed by the finite element method.
本文根据变分原理，利用有限单元法分析在水平地震运动作用下圆柱形弹性储液罐的动力反应。
The unfolding Japanese disaster has been closely watched in China, which has been rapidly expanding its fleet of nuclear reactors, some of them in seismically active areas.
相关报导日本正在上演的核灾难受到中国的密切注视。中国一直在快速扩充自己的核反应堆队伍，其中一部分就处在地震活跃带。
But the Valley stands on ground that is as unstable, seismically and metaphorically, as it was in the earlier bust. Another bubble-this time, not of the Valley's making-has burst.
但同时硅谷也站在一个不稳定的、地震多发同时极富象征性的基础之上：正如先前泡沫破裂之时一样，目前另外一个泡沫——当然不是硅谷制造的——也破裂了。
John Ebel, director of Boston College's Weston Observatory, noted that seismically, the current period seemed to resemble the cluster of large earthquakes in the middle of the last century.
波士顿学院韦斯顿实验室主任约翰·埃贝尔注意到，从地震学角度说，现在似乎重现了上世纪中期的一系列地震。
John Ebel, director of Boston College's Weston Observatory, noted that seismically, the current period seemed to resemble the cluster of large earthquakes in the middle of the last century.
波士顿学院韦斯顿实验室主任约翰·埃贝尔注意到，从地震学角度说，现在似乎重现了上世纪中期的一系列地震。
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