查询词典 seismic

The hypocenter distribution shows that seismic activity is occurring both in the north and south parts of the Basin.

分裂横波快波偏振的取向为北东60°，与区域应力场的方向一致，说明各向异性确是由区域应力场排列的裂隙所致。

From the point of view of the un-touching metering, this paper introduced the problem that we confronted in the safety detection during seismic exploration, analyzed measurement of the safety distance between the operator and the hypocenter, then provided some solutions according to a certain application such as environment changed.

本文从非接触测距角度对地震勘探时的作业安全监测涉及到的若干问题进行了研究，研究了野外地震作业时人员与震源之间的安全距离的测定，根据实际操作中会出现的一些具体情况，如环境条件的变化等，给出一些实际的解决方案。

Two principal types of seismic waves are generated, body waves which travel from the hypocenter directly through the earth's lithosphere and surface waves which travel from the epicenter along the surface of the earth.

主要有两种类型的地震波生成、这波从震源旅游机构直接通过地球表面的岩石圈、旅行中浪从震央沿地球表面。

The stack can improve signal to noise ratio of seismic section,but hypothetic al condition is that the traces on the gather stack in phase after NMO.

地震叠加技术能提高资料的信噪比，其假设条件是在NMO校正后的CMP道集内进行地震道同相叠加。

Acted by the seismic energy, the connection is to display various degree of accumulative damage. So, the main purpose of this paper is to aim the hysteric energy and damage of the connection to perform extensive research.

有鉴于此，本文主要针对在地震循环载荷作用下钢结构梁柱节点的滞回耗能能力以及节点的累积损伤破坏等问题进行了一系列的研究。

Based on seismic, well log and logging data, spatial shape of Shang 741 igneous rock is described.

并以地震、测井、录井资料为基础，综合描述商741火成岩体的空间形态。

The seismic data and drilling data are used to analyze the distribution of igneous rock in Fushan sag.

根据钻井和地震资料，分析了海南福山凹陷火成岩的分布特征，认为该地区火成岩有3种类型，即：分布于地表的喷发岩、次火山相火成岩、深层侵入岩。

The usual travel time tomography method is based on geometrical ray theory,however,it assumes that the seismic wave has very high frequency,which often makes the tomographic inversion have ill posed problem because of the sparse ray distribution in the model space and finally affects the reliability and resolution of the tomographic results.

基于几何射线理论的旅行时层析方法假设地震波频率足够高，这样往往由于射线存模型空间的稀疏分布，使层析反演问题具有严重的不适定性，从而极大地影响层析成像结果的可靠性和分辨率。

The rapid development of modern technology, using seismic imaging system that will allow us to understand the depths of the Earth.

现代科技的飞速发展，利用地震成像系统，使我们能了解到地球深处的情况。

How to assess the seismic properties and to design rationally this structure must be solved imperatively.

如何评价该类建筑的抗震性能，合理地进行结构设计，是摆在我们面前亟待解决的问题。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。