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).
通过工程试验研究，观测到水下爆炸引起的地基及水中结构物的二次地震波现象。
The phenomena of secondary vibration of structures induced by underwater explosion are observed in the experiments.
区域地震波携带着大量的信息，可以很好地反映地壳和上地幔结构的变化。
Regional seismic wave carries lots of information about structural variations in the crust and the upper mantle.
岩石孔隙结构是控制砂岩和碳酸盐岩的地震波速度和渗透率的重要参数之一。
Rock pore structure is one of the important parameters in controlling both seismic wave velocity and permeability in sandstones and carbonate rocks.
通过输入不同大小和类型的地震波，分析隔震上部结构和隔震支座的地震反应。
Earthquake responses of isolated top structure and isolation bearing were analyzed by inputting earthquake wave with different magnitudes and types.
对于复杂结构，在动力分析中地震波的最不利输入方向对应着结构的最不利反应。
In dynamic analysis of complicated structure, critical Angle of seismic wave is corresponding to critical response of structure.
但不同频率地震波输入将对建筑物减振效果产生怎样的影响，减振效果和结构物本身自振频率是怎样的关系，这些是以往的时程分析所不能解决的。
But in the analysis, influence of different frequency input on control effect, and relation between the control effect and natural vibration frequency of the structure can't be solved.
结果表明，对于完全对称的结构，也应该考虑地震波的三维输入。
The result shows that earthquake waves should be inputted from three directions even for symmetrical structures.
文中同时给出了一种结构-地基动力相互作用中地震波动输入方法，可以准确模拟任意角度入射的地震行波的输入。
A new input methods of wave motion dealing with soil-structure interaction is also proposed which can be used to exactly simulate incident seismic wave from any Angle.
利用地震波的信息，研究各向异性介质的物理性质对深入探究地球内部结构有着重要的作用。
It is important to study the physical property of anisotropic media using the information of seismic wave aimed at probing into the earth.
结果表明：在较宽的地震波频带内，两种阻尼器对于控制这一不规则结构的扭转效应，提高该结构的整体抗震性能均有较好的减震效果。
Then, the dynamic response of the uncontrolled structure and controlled structure are intestigated under the excitation of earthquake from three aspects of energy, displacement and force.
本文对爆破地震波的生成和爆破地震波对框架结构的影响进行了研究，对框架结构的抗爆性能进行了分析，并对框架结构在爆破地震波作用下的安全性作了评估。
This thesis carried out research about the production of blasting earthquake wave and its influence to frame structure and estimate the safety of frame structure loading blasting earthquake wave.
结论高能震波可以损伤肝细胞的超微结构与功能。
Conclusion HESW can damage the ultrastructure and function of liver.
通过对地震波的传播过程、地基土、结构物的动力性能分析以及能量逸散机制的分析，探讨了土与结构物相互作用肌理和结果。
According to the transmission of seismic wave, dynamic property of soil-structure and energy dissipation, the mechanics and the results of seismic soil-structure interaction are analyzed.
地质调查除活断层等内容外，基岩以上的地质构造以及地震波速结构的调查也是必要的。
The geological survey should include the seismic velocity structure in the medium above the bedrock besides the active fault survey etc.
在分析中，考虑了四层高架结构在地震时的耦合振动作用，以及地震波传播方向的任意性。
In the analysis, both the coupled vibration of four level structures under earthquake and the randomness of spread directions of input seismic waves were considered.
地震波法可明确测定不同介质中地震波的传播速度，因而可用在灌浆结构工程中的检测。
The seismic wave travels at different velocities in different media, therefore the seismic wave can be used to detect effects of grouting engineering.
在此基础上，对该换流站阀厅结构体系在不同峰值、不同场地和不同方向地震波作用下，分别进行了动力时程分析。
On this basis, dynamic time history analysis was carried out in different peaks, different areas and different directions of seismic waves for this inverter station valve hall.
在不同地震波作用下，结构反应随场地的变化规律不同。
Under the action of various seismic waves, the rules of structural response are not same with the variation site.
使用通用有限元分析软件ANSYS进行半刚性连接钢管混凝土结构的反应谱分析，并研究了半刚性连接钢管混凝土框架结构在选定地震波激励下的响应。
ANSYS program was employed to execute the response spectrum analysis and determine the response of semi-rigid concrete filled steel tubular structure under selected earthquake excitation.
从计算结果看，结构的动位移与输入的地震波方向及维数有关。
From the results, it could be known that the structure's dynamic displacements were related with the seismic waves dimension and direction.
锚碇作为其主要的地下结构，在爆破地震波的作用下，振动效应是最显著的，关系到整个结构体系的安全与否。
As its main underground structure, under the action of blasting seismic waves, the blasting vibration effect of the anchor is notable, which relates to the safety of the whole structure.
随着节点相对刚度比的增加，结构在地震作用下的峰值加速度反应受输入地震波能量分布特征的控制，分布规律非常复杂。
The peak acceleration responses are fully controlled by the relative stiffness ratio and the input seismic excitation, and their distributions are quite complicated.
探讨了运用被动的控制装置减轻相邻结构地震动响应的机理，比较了在不同的地震波作用下粘弹性阻尼器和流体阻尼器的减震效果。
The mechanism of reducing the seismic responses of adjacent structures under earthquake by using passive coupling elements interconnecting adjacent structures is exploited in this paper.
地震波速度结构层析成像和地震各向异性分析，是推测现今地幔流动的主要观测依据。
The current inference of mantle flow is largely based on seismic tomography and anisotropic analysis.
在同一地震烈度下，方形钢管混凝土结构在不同地震波作用下的地震反应有所不同。
Under the same earthquake intensity, the concrete-filled steel tubular frame has different response.
钻爆开挖法洞室的施工点临近新完成结构体，爆破地震波必须严格控制在安全范围之内。
In the project discussed in this paper, the blasting site of drill-blast tunnel excavation method was close to the newly finished structure.
钻爆开挖法洞室的施工点临近新完成结构体，爆破地震波必须严格控制在安全范围之内。
In the project discussed in this paper, the blasting site of drill-blast tunnel excavation method was close to the newly finished structure.
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