性能比较使用与之前文章相同的测试代码，即地震数据查询服务。
The performance comparisons use the same test code as earlier articles, a seismic data retrieval service.
后者(即地震)将世界各地提供援助的人们聚到了一起。
The latter will bring together people from all over the planet who want to help.
我国现行抗震设计规范中给出的反应谱依赖于两个参数，即地震烈度和场地土类别。
The response spectrum given by present design standards depends on two parameters, i. e. earthquake intensity and site classification.
秦可说她在周一下午5：30，即地震发生后三小时还和丈夫说过话，鼓励他要坚持住。
Ms. Qin says that she spoke with her husband at 5:30 p. m. , three hours after the quake, urging him to hold on.
在四川盆地的地震勘探工程中，地震资料野外采集施工费用，即地震工程预算中的直接工程费，占整个地震勘探工程成本的80%左右。
The expense for the field acquisition of seismic data, i. e. the direct cost in the budget of the seismic engineering, accounts for about 80% of the whole engineering cost of seismic exploration.
第一个预测模型沿着地震断层，即地壳中的裂缝，寻找所谓的地震缝隙。
The first prediction model looks along earthquake faults, those cracks in the Earth's crust, to find what are known as seismic gaps.
本文还将使用与早期文章相同的测试应用程序，即一个地震数据检索服务。
This article also USES the same test application as the earlier articles, a seismic data retrieval service.
加拿大最著名的地震高发带位于偏远的西部地区，即不列颠哥伦比亚省的海岸线附近。
The area known for the greatest seismic activity in Canada is in the far western portion of the country-the coast of British Columbia.
一些地质学家认为他们当前使用的方法，即基于概率的地震威胁分析，可能会低估地震威胁的可能性。
Some geologists feel that the method they used, probabilistic seismic hazard analysis, may underestimate the possibility of earthquake hazards.
这次周五来袭的8.9级地震，也是日本有记录以来最强的一次地震，发生在一个俯冲带里，即一个板块俯冲于另一个板块之下的地带。
The 8.9 magnitude earthquake on Friday, the largest ever recorded in Japan, occurred in a subduction zone, where one of the earth’s tectonic plates is sliding beneath another.
因此，这些传感器都被平行放置在太平洋沿岸即所谓的环太平洋地震带上。
That's why they [are] kind of parallel to coast lines in the Pacific, in the so-called Ring of Fire, where the subduction zones are.
这些核电站能在里氏9.0级的地震中幸存下来，即相对损失较小。 而且还要考虑到地震规模的对数性质，这次地震的强度是设计强度的15倍多，这似乎是一个奇迹。
That they survived relatively unscathed through a magnitude 9.0 earthquake—ie, one that, given the scale's logarithmic nature, was approximately 15 times more powerful—seems remarkable.
为了应用和推广这一新技术，我们做了随钻VSP模拟试验，即地表浅层炮井随钻地震速度测量。
In order to spread this technique, I have made trial VSP modeling during shothole drilling: shallow seismic velocity survey during shothole drilling.
地震学家有句很流行的说法即：地震不伤人，伤人的是建筑。
A popular saying among seismologists is that "earthquakes don't kill people, buildings do."
也有GPS突然出故障的报道，严重的故障。这种故障是在2010年的2月25日首次被注意到得，即智利地震前的几天。
And there were the reports about GPS suddenly malfunctioning. Seriously malfunctioning. This malfunction was first noticed on February 25, 2010 a couple days ahead of the Chile quake.
尽管许多动物对地震的各种信号很敏感，但基本的问题仍然存在，即这种行为如何用于地震预报。
Even if many animals seem to be highly sensitive to various signals of earthquakes, the basic question remains as to how this behavior can be put to use in earthquake prediction.
因此采用能反映时频非平稳特性的时变谱密度(即局部谱密度)来描述地震地面运动是非常必要的。
Consequently, it is necessary to describe earthquake ground motion with local spectral density, which is time-dependent and can reflect the non-stationary characteristics.
星期二的晚些时候，即中国三十年来最惨烈的地震封山后的第一天，据报道称在举世闻名的大熊猫保护区的大熊猫们安然无恙。
All the pandas at the world's most famous panda preserve were reported safe late Tuesday, more than a day after China's worst earthquake in three decades closed off the remote, mountainous area.
人们都在热议，即，如何避免地震造成的损失。
There has been a heated debate concerning how to prevent earthquake damage.
为此，提出了一种新的溶洞检测方法——累计能量差法，即利用道内或道间地震反射能量上的差异进行溶洞检测。
Therefore, a new cavern detection technique called accumulation energy difference method was proposed, which USES the seismic reflection energy difference in trace or between traces to detect caves.
人们过去认为，当某个地方发生了地震，即大地裂开，吞下大量的人，然后又合上，人们被不留痕迹地毁灭。
People used to think that when there was an earthquake, the ground opened, swallowed great Numbers of people, and then closed, leaving no trace of those who perished.
然而目前还欠缺一种变换—从地面地震资料换算成VSP，即所谓的拟VSP法。
But there remains a transformation to be developed, which converts the surface seismic data into VSP.
然后对该道集进行速度分析、动校正和叠加，得到偏移地震剖面，即共散射点成像。
Then the trace gather undergoes velocity analysis, normal moveout correction and stack to bring seismic migrated section ( This is called scattering point imaging).
然后对该道集进行速度分析、动校正和叠加，得到偏移地震剖面，即共散射点成像。
Then the trace gather undergoes velocity analysis, normal moveout correction and stack to bring seismic migrated section ( This is called scattering point imaging).
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