地震产生两种类型的地震波。
这次地震波及周围几个城市。
他探讨了地震波在地球内部的传播。
He discussed the propagation of waves through the earth's interior.
孔隙率和温度有时也能影响地震波速。
Seismic velocity can occasionally be affected by porosity and temperature .
孔隙率和温度有时也能影响地震波速。
Seismic velocity can occasionally be affected by porosity and temperature.
重点：地震波和震级。
地震波衰减性质的研究是地震学研究的重要课题。
The study of seismic attenuation property is a major subject in seismology.
通过研究地震波所获得的知识已应用于各种领域。
Knowledge gained from studying earthquake waves has been applied in various fields.
通古斯爆炸包含了地震波和次声扰乱，被世界各地记录下来。
The Tunguska event included seismic waves and infrasonic disturbances that were recorded around the world.
地震波是通过地表传播的波体，通常是由地壳震动或爆炸引起的。
Seismic waves are waves that travel through the Earth, most often as the result of a tectonic earthquake, sometimes from an explosion.
科学家根据地震波的强度和持续时间把地震强度分为了不同的等级。
Scientists assign a magnitude rating to earthquakes based on the strength and duration of their seismic waves.
本文对地震波属性的提取和分类进行了理论和应用的研究。
In this paper, the theory and application of how to abstract and classify the seismic wave attributes are discussed.
藏伯格称，常规地震仪采用电路板记录重物受地震波影响的振动情况。
Zumberge said a conventional seismometer records how its mass is displaced by these waves of seismic energy with electric circuit boards.
而实验室中对地震波衰减的研究为衰减机理提供了研究基础。
And the attenuation studies of seismic wave in the laboratory have provided studying base for the mechanism studies.
其一，任何由日本传至智利海岸的地震波都可能在地面震动中起一点作用。
For one, any seismic waves that did make their way from Japan to the Chilean coast could play a slight role in ground-shaking.
中午左右在名古屋感觉了长周期的地震波。有可能远方有大地震呢。
Long wave earthquake has come to Nagoya. Maybe there is an magnified earthquake far from here.
探讨了阻尼参数的设置、地震波的选取、地震动方向的输入等问题。
Representing amortization reference set-up, earthquake wave access and earthquake motion input as well.
当地震发生的时候，地震波会通过岩石从数百里外传达到地表引起振动。
When this stress is released quickly, it sends massive vibrations, called seismic waves, often hundreds of miles through the rock and up to the surface.
它们能直接察觉到地震波，或是感知到地倾斜的变化（常在地震数分钟前发生）。
They could detect seismicwaves directly or ground tilt (which can occur in the minutes before a quake).
但是，在松软的土层上，长周期地震波的震动会被放大，可能使摩天大楼的摇摆更加剧烈。
But on soft soils, vibrations from long-period seismic waves are amplified, possibly exacerbating the swaying of skyscrapers.
在地震波传播的数值模拟中，在有限区域建立吸收边界条件是一个很重要的问题。
In the numerical simulation of the wave equation, to develop an absorbing boundary condition in the finite domain is a very important problem.
1889年4月17日在波茨坦对远震的成功记录标志着通过地震波方式研究地球结构的开始。
The first recording in Potsdam of such teleseisms on April 17, 1889 marks the birth of the study of the structure of the Earth by means of seismic waves ( see blog January 14, 2009).
几秒钟之后，圣哈辛托(SanJacinto)一所高中的科学课堂上的师生将会记录地震波。
Seconds later, a high school science classroom in San Jacinto would record the waves.
智利断层活动产生的地震波环绕地球数圈之后又袭击了加利福尼亚，触发了加利福尼亚中部的微震。
The seismic waves released during the Chilean fault movement traveled around the world several times and triggered microquakes in central California.
虽然地方震引起的震动在这之前已经被记录到好几次了，但是还没有人记录到遥远地震传来的地震波。
Although the shaking of local earthquakes had been recorded several times before, nobody had ever registered the waves from a far away earthquake.
太平洋海啸预警中心：这次强烈的海啸是由地震引发的，地震波危险期过后，海啸预警随后就取消了。
"A significant tsunami was generated by this earthquake," said the Pacific tsunami warning Centre. The tsunami warning was later withdrawn after the danger of further waves had passed.
这里是一个图表，展示的是1960年在智利的地震波的影响下的夏威夷的希洛，浪高随时间的变化。
Here's a great chart showing the timing of wave impact in Hilo, Hawaii after a Chilean earthquake in 1960.
文中通过超声实验分析了岩石的滤波特性，论证了新的模型用于描述地震波的传播是可行的。
This paper analyses the filtering characteristic of rock by ultrasonic experiment results and demonstrates that the new model can be used to describe seismic wave motion.
这听起来似乎是一种愚蠢的想法，但是早期记录地震波的仪器（地震仪）正是采用了这中思路。
That sounds a silly suggestion, but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
这听起来似乎是一种愚蠢的想法，但是早期记录地震波的仪器（地震仪）正是采用了这中思路。
That sounds a silly suggestion, but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
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