地震波

When the stratum of workarea had been cut in a different stage ,the layer suffered stress and fold at a same time.result in the transverse change for the lithology vary.

这种岩性的横向相变造成地下介质存在较强的各向异性，使得地震波的传播速度在纵、横方向上变化均较大。

The upper crust of the Altun orogenic belt has a high average Q value (about 500). It is likely caused by shallow depth of crystalline basement, outcrop of basement rocks, and slow attenuation of seismic wave.

阿尔金造山带上地壳的平均Q值较高（约500），这可能由于结晶基底埋藏较浅，基岩出露，因此地震波在此处传播能量衰减较慢所致。

The amplificatory effect of the slope height leads to the amplitude change should be embodied in future research for large hydraulic constructions.

对大型水工建筑物而言，岸坡高差对地震波的放大效应导致的输入运动的幅值变化也应该在今后的工作中具体体现。

Three-dimensional finite element analysis of antiseismic capability of Fe/Zn composite.

首次结合通用有限元软件ANSYS，对Fe/Zn复合材料在地震波作用下进行了三维有限元分析，为新材料的制备提供理论依据。

They are accurate imaging deep reflectors in difficult areas information theory of seismic wavefield and direct prediction of burred oil and gas fields via geophysical data .

本文讨论当前我国深层油气地震勘探面临的难题及基础研究的三个主攻方向，包括：困难地区深层地震反射体准确成像，地震波场信息学，油气田直接预测的地球物理方法技术等

I am a civil engineer from beijing , and i am study the earthquake recording time history of chichi curve , nantou

本人是一名来自北京的土木工程师，要研究发生在南投的地震波，不知这里的老师们或者哪位同学有否收集？

Four main formations of loop bedding in Jiyang sub-basin were upper layers fall down in the process of earthquake, tautening distortion due to earthquake, the frication of earthquake-related surface of fault and the effect of redox and diffuse other formations of loop bedding comprise the effect of earthquake wave, the effect coming from circumrotate of globosity rotation, snowball function, cementation intermittent, the effect of biology, and so on.

综合分析认为震动塌落、震动拉伸变形、地震断裂面的摩擦作用、氧化还原反应和扩散作用是环状层理的主要成因，前三种成因的环状层理往往与其他震成构造伴生，可作为震积岩的良好标志。环状层理的其他成因还包括：地震波传播方式的影响、地球自转产生的涡旋的影响、&滚雪球&效应、间歇胶结作用以及生物成因等。

The P wave, or compressional wave, alternately compresses and expands material in the same direction it is traveling.

不同地震波震动地表的方向不同，穿越地层的速度也不同。

The coseismic signals of aftershocks exist in all components of th

地震发生时的电磁辐射信号似乎在记录数据中有所显示，但是与地震波到达观测点时的电磁信号相比幅度要小得多

That is,the EM observation system set up in geomagnetic field moved with the ground motion so that the EM coseismic signals were produced.

地震破裂发生时的电磁辐射信号在记录数据中相比地震波达到观测点的电磁信号幅度要小得多，无法从观测数据识别出来。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。