地震波

The data his team uses first became available in the 1960s, when a worldwide seismographic network was established.

他的研究团队使用的数据是19世纪60年代产生的，当时全球地震波研究网络刚刚建立。

There are many seismographic stations in the world, that receive seismic waves generated by earthquakes.

目前地球上有成千上万个地震台，但它们都是接收地震波的地震台。

First field relates to the studyearth's interior by using seismic waves,such as the development of seismographic techniques,digitalseismology,seismic tomography,seismic exploration and the detection of undergroud nuclear explosions.

简要回顾了当代地震学发展的两个方面，一是利用地震波探测地球内部。

Figure of the Earth ; Asymmetry ; Seismotectonic systems ; Heat flow ; Velocity of seismic wave ; Space geodesy.

地球形状；非对称性；地震构造系统；热流；地震波速；空间大地测量

A new method of post-stack seismic forward modeling under complex surface conditions was proposed from the point of seismic modeling It used the theory of submerse topography and zero-velocity layer, the new method firstly transformed the original surfaceto a level , and got a new model.

基于波动方程基准面延拓的偏移方法理论，从地震波场正演模拟的角度出发，提出了一种新的适用于起伏地形的地震叠后正演方法。

Based on characteristics of the gravity field, electromagnetic field and seismic wave field in the Western Himalayan Syntaxis area, deep geophysical fields of this region are analyzed from various subject views.

本文基于喜马拉雅西构造结地带区的重力场、电磁波场和地震波场特征，从不同学科的角度对喜马拉雅西构造结区深部地球物理场做了分析。

In the paper, based on the analysis of velocity structure of near surface in a desert area, we study the transmittable laws of seismic waves in linear transition layers and compare simulated data with practical seismic records.

本文在沙漠地区低降速带速度结构分析的基础上，研究地震波在线性过渡体地层的传播规律，并同实际观测记录进行对比，从理论和实际上验证上述推论的正确性。

A tomography method of seismic reflection wave without traveltime is presented.

结合南水北调地震波勘探的资料解释问题，讨论了一种避开旅行时的地震反射波成像方法及成像理论与观测系统。

For realizing the seismic traveltime computation under complex topographical conditions, we present a new method based on linear interpolation and narrow band technique.

为了在复杂地表条件下实现地震波走时计算，提出了一种基于线性插值和窄带技术的走时计算新方法。

The computation of seismic traveltime is a core matter of ray-tracing method, and its accuracy affects the accuracy of the path and the accurate degree of the forward problem of seismic ray simulation.

地震波旅行时计算是射线追踪方法的核心问题，其精度直接影响着路径的精度和正演模拟的准确程度。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。