地壳

上地壳最大主应力一般为（10～30）MPa，最小主应力一般为（2～20）MPa，最大差应力一般为（2～25）MPa。

That most of the main maximum stresses range from ( 10-30 ) MPa , most of the main minimal stresses range from ( 2-20 ) MPa , and most of the maximum differential stresses range from ( 2-25 ) MPa for the upper crust of the earth .

地壳下陷，开成了湖泊。

A lake appeared when the crust of the earth sank in .

地震是由两块地壳构造板块互相碰撞造成的。

Earthquakes are caused by two tectonic plates bumping into each other .

地震会在地壳上留下裂痕。

Earthquakes leave scars in the earth 's crust .

大陆地壳最古老的部分有40亿年历史。

The most ancient parts of the continental crust are 4000 million years old .

许多盆地都是因地壳陷落而形成的。

Many basins were formed by the subsidence of the earth 's crust .

坳陷构造是地壳表层的基本构造单元，它叠加在大的板块（或地块）构造之上，属于二级结构构造。

Depression-Uplift structure is a basic structural unit developed on crustal surface , it is secondary structure and is superposed upon larger plate tectonics .

本文重点介绍源自地壳的辐射。

This article focuses on radiation present in the earth crust .

华南上地幔P波速度结构北京地区地壳和上地幔的三维P波速度结构

Three-dimensional P velocity structure of the crust and upper mantle under Beijing region

GPS揭示的现今地壳运动与地震前兆特征

Characteristics of current crust movement and seismic precursors revealed by GPS Survey

利用GPS资料研究区域地壳应力场变化与地震活动关系

Relationship between regional stress field variation and earthquake activities from GPS data

利用精密水准及GPS数据分析中国东部地壳运动

Analysis on Eastern China crustal movement by precise leveling and GPS data

青藏高原地壳运动GPS实测结果的定量分析

Quantitative Analysis of the Crustal Motion of Tiber Plateau Determined by GPS

利用GPS形变资料确定地壳形变的应变特征

The Determination of Strain Accumulation Rates Using GPS Data

用GPS研究南天山（伽师）地区现今地壳变形GPS在物理大地测量中的应用及GPS边值问题

Research on present crustal deformation in the southern Tianshan ( jiashi ), China by GPS geodesy

GPS城市地壳变形监测网的数据处理及精度分析

Research on data processing and precision analysis of GPS crustal deformation monitoring network of a city

利用DE算法反演地壳速度模型和地震定位

Inversion of crustal velocity model and earthquake relocation by using Differential evolution algorithm

用GPS测量数据模拟中国大陆现今地壳水平速度场及应变场

The current crustal horizontal fields and strain fields in the continent of China simulated with GPS data

拜城&大柴旦剖面的上地壳Q值结构

Q value structure of the upper crust along the profile from Baicheng to Da Qaidam

Sr和Nd同位素资料表明，在岩浆形成过程中地壳物质带入未起重要作用。

Sr and Nd isotopic data indicate that crust involvement was not significant .

AHP法在区域地壳稳定性评价中的应用

The application of analytic hierarchy process in the appreciation of regional stability of crust

结果表明：此区是大陆地壳中一个十分突出的低Q值区域。

The result shows that this region is distinctly a low-Q region in the continental crust .

蛇纹石化橄榄岩的Pb／Ce比值远高于岛弧玄武岩和大陆地壳。

Also Pb / Ce ratio is higher than island arc basalt and continental crust .

用瑞利波研究新疆塔里木盆地地壳分层结构及QR值

Use of Rayleigh waves to study the layered crustal structure and q_r values of Tarim Basin in Xinjiang Province

进一步利用GPS速度场计算华北地区GPS地壳应变率场及应变能密度变化率场。

Using the GPS velocity field , we estimate the annual accumulations of strain rate field and strain energy density field .

本文利用近震体波资料，研究了华北地区地壳和上地幔P波速度结构。

In this paper , the crust and the upper mantle velocity structure beneath northern China has been studied by the use of near-by earthquake P wave information .

而侵入岩中的N2含量和氮同位素组成更多地反映了地壳中含氮物质浓度及同位素组成特征。

But for the intrusive rocks , the nitrogen content and isotope compositions better reflect the content and isotope compositions of nitrogen-bearing matter in the crust .

用Sc震相测定永登地区地壳中间层界面的深度

Using Sc phase to determine the depth of C discontinuity in crust in Yongdeng region

根据两次GPS测量结果，研究了华北（北部）地区的现今地壳水平运动的特征。

Based on data of two GPS measurement campaigns , the recent crustal horizontal movement features in northern part of North China are studied .

由于地壳处于运动之中，大尺度GPS监测网的参考基准应是动态基准。

Since the crust is in the state of movement , the reference datum for large scale GPS monitoring network should be a dynamic datum .