地震

In the three dimensional seismic survey research process to HuoJitu well field in DaLiuta coal mine, it used weakness before superimposes、three dimensional after superimposes weakness followed with noises and other technics to dispose with the primary earthquake section planes, which enhancing three dimensional earthquake data body signal-to-noise ratio.

在对大柳塔煤矿活鸡兔井田进行三维地震勘探研究过程中，对原始地震剖面采用叠前面波衰减、三维叠后随机噪音衰减等新技术加以处理，提高地震三维数据体的信噪比。

By calculation of detection ability of Tianjin Telemetered Seismic Network after its joining in NCUSN and by analysis of the TTSN Observation Reports from January to October, 1992, we obtained the following major results.

本文通过天津遥测地震台网在华北遥测地震台网联网后的监控能力的计算和对1992年1—10月地震观测报告的分析处理，得到了一些主要结果。

Finally, travelling wave effect decreases the longitudinal seismic effect of the abutment pier and increases that of the other pier, but it is not noticeable influence on the lateral seismic effect.

第三，行波效应减小了制动墩的纵向地震反应，增大了其它桥墩的纵向地震反应：对桥梁横向地震反应没有影响。

Lastly, this paper discusses the possibility to monitor the coming of the larger earthquake using shear-wave splitting observation, suggests that the continuous observation on temporal change of shear-wave splitting could be adopted to monitor the occurrence of larger earthquakes, this observation could recognize whether the crust rock has enter the fracture critical state or not, forecast the possible coming earthquake, i.e.

最后，本文对利用剪切波分裂观测对较大地震进行监控作了讨论，认为对剪切波分裂的时间变化作持续的观测，可以进行地震监测，识别地壳岩石是否已经进入了破裂临界状态，对可能到来的地震作出相应的预测。

In the paper, the writer analyses, discusses and researches the factors which influent the seismic reflection features of all kinds of thin-bedding medium above and, firstly, sums up systemically the laws by which the parameters of the thickness of thin-bedding, the thickness of single layer in the thin-bedding group, the thickness of minor structure, the number of layers in the thin-bedding group, type of incident wavelet, main frequency and decay coefficient influent thin-bedding 〓smic reflection features.

作者在论文中还对影响上述各种薄互层介质地震反射特征的因素进行了详细地分析讨论和研究，首次较全面系统地总结出了薄互层的厚度、薄互层中单层厚度、子结构厚度、薄互层的互层数、入射子波的类型、主频、衰减系数以及地震勘探的采样率等参数对薄互层地震反射特征的影响规律，由此得出以下几点看法和结论

0 Earthquakes in Jiashi strong earthquake sequence are analyzed, among which there are 8 strike slip earthquakes and 5 dip slip earthquakes.

分析了伽师强震群序列中 1 3次 5级以上地震的震源机制解资料，其中有 8个走滑型地震、5个倾滑型地震。

For the sluggish development of earthquake insurance, the function of it is obvious absence, reflecting the lack of earthquake disaster insurance system in our nation.

但由于地震保险发展的滞后，地震保险的功能发挥明显不足，凸显了我国地震巨灾保险制度的缺失。

Thus, the establishment of a residential earthquake insurance pool is necessary.

目前中国大多数家庭没有住宅地震保险，政府承担了很大的地震风险，建立住宅地震保险系统是当务之急。

His paper studies some problems of the earthquake-proof dynamical reliability analysis of gravity dams.

论述重力坝抗震动力可靠度分析中的几个基本问题，即地震作用下坝可靠度计算、地震发生概率的估计方法以及坝经历一次地震作用的抗震动力可靠性计算等，还以华北某重力坝为例说明其计算方法。

Orthogonal subset is extracted from orthogonal geometry by collecting all traces that have a shot line and a receiver line in common, therefore the two lines are vertical bisectors.

三维地震数据中一条检波线和与之垂直的炮线的所有地震道组成了三维地震数据的一个正交子集。

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。