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horizontal strain field
相关语句
  水平应变场
     Results of such a study show that (1) the average directions of the horizontal strain field are, N51°E for the principal axis of compression, N 6° E and N 84°W for the maximum shear strain, from which one can deduce the mechanical model of the crust of the region;
     结果是:(1)该区水平应变场的平均参数为:主压应变轴是 N51°E; 最大剪应变的方向为 N6°E 和 N84°W;
短句来源
     HORIZONTAL STRAIN FIELD AND TECTONIC DEFORMATION OF CHINA MAINLAND REVEALED BY PRELIMINARY GPS RESULT
     GPS初步结果揭示的中国大陆水平应变场与构造变形
短句来源
     The spatial variation of horizontal strain field within the PCFC is regular. In the northwestern part of the PCFC, the principal compressive strain axis is NW-SE and the principal compressive strain rate is larger than the principal tensile strain rate;
     PCFC内部水平应变场的空间变化是有规律的,在PCFC的西北部,主压应变轴为NW-SE方向,主压应变率大于主张应变率;
短句来源
     CURRENT HORIZONTAL STRAIN FIELD IN CHINESE MAINLAND DERIVED FROM GPS DATA
     由GPS观测结果推导中国大陆现今水平应变场
短句来源
     Using the observed data of GPS network and mobile Laser range networks across faults in North China from 1995 to1996,the normalization on unified scale of the variation rate of line ranges is carried out. Accordingly,the distribution pictures of the horizontal strain field in North China are obtained.
     利用华北地区 1995~ 1996年GPS观测成果与首都圈跨断层水平形变流动测距资料进行联合解算 ,所得边长变化率的尺度统一归化 ,获得了华北地区水平应变场的分布图像。
短句来源
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  “horizontal strain field”译为未确定词的双语例句
     The research approaches for crust horizontal velocity field, horizontal strain field and modeling the crust movement are introduced. The preliminary results from GPS horizontal movements show that the recent horizontal movement in China mainland is toward to east, and with clockwise torsion movement.
     由GPS观测给出的地壳水平运动初步结果表明 :中国大陆现时水平运动在全球参考系中为整体向东 ,并兼有顺时针扭转运动。
短句来源
  相似匹配句对
     The strain of B.N.
     N .
短句来源
     DEVELOPMENT OF MODEL YS-I HORIZONTAL VERTICAL STRAIN METER
     YS—1型水平垂直位移计的研制
短句来源
     HORIZONTAL STRAIN FIELD IN THE CHINESE MAINLAND AND ITS SURROUNDING AREAS
     中国大陆及周边地区的水平应变场
短句来源
     CHARACTERISTICS OF HORIZONTAL MOVEMENT AND STRAIN OF SINO-MONGOLIA BLOCK
     中蒙地块的水平运动及应变特征
短句来源
     The mutant strain S.c.
     c.
短句来源
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  horizontal strain field
The current crustal horizontal strain field is given in the paper based on the horizontal movement rates obtained from about 400 GPS stations located in Chinese mainland and its surrounding areas.
      
Current horizontal strain field in Chinese mainland derived from GPS data
      


Computation of the results of two successive repeated second order triangulation survey, the strain and mechanical conditions and the horizontal crustal movement around the Yishu Eift Valley in Central and South Shandong have been analysed. Results of such a study show that (1) the average directions of the horizontal strain field are, N51°E for the principal axis of compression, N 6° E and N 84°W for the maximum shear strain, from which one can deduce the mechanical model of the crust of the region;...

Computation of the results of two successive repeated second order triangulation survey, the strain and mechanical conditions and the horizontal crustal movement around the Yishu Eift Valley in Central and South Shandong have been analysed. Results of such a study show that (1) the average directions of the horizontal strain field are, N51°E for the principal axis of compression, N 6° E and N 84°W for the maximum shear strain, from which one can deduce the mechanical model of the crust of the region; (2) the horizontal crustal deformation of this region is charaterized by a typical left lateral pattern, taking the belt Guanyun-Linyi-Qufu as a transition.Based on such results, the portion for possible future earthquake occurrences of Central and South Shandong Province has been discussed.

本文通过对两期二等三角网测量结果的计算,分析了沂沭裂谷附近—鲁中鲁南的应变状态,力学性质和最近二十年来地壳的水平运动.结果是:(1)该区水平应变场的平均参数为:主压应变轴是 N51°E;最大剪应变的方向为 N6°E 和 N84°W;从而得出该区应变场的力学模型;(2)该区地壳水平形变的特征是:以灌云—临沂—曲阜为转换带的典型左旋图象.从而讨论了鲁中、南未来可能发震的危险部位.

In this paper,the method for calculating strain field by using the crustal deformation data of different type and scale is described.Using the observed data of GPS network and mobile Laser range networks across faults in North China from 1995 to1996,the normalization on unified scale of the variation rate of line ranges is carried out.Accordingly,the distribution pictures of the horizontal strain field in North China are obtained.

阐述了以不同类型不同尺度的地形变资料联合解算应变场的方法。利用华北地区 1995~ 1996年GPS观测成果与首都圈跨断层水平形变流动测距资料进行联合解算 ,所得边长变化率的尺度统一归化 ,获得了华北地区水平应变场的分布图像。

The current crustal horizontal strain field is given in the paper based on the horizontal movement rates obtained from about 400 GPS stations located in Chinese mainland and its surrounding areas. The results show: ①the horizontal strain in Chinese mainland is strong in the west and weak in the east and the shear strain is larger than the normal strain (absolute magnitude). The general strain magnitude is 10-8/a and in local regions is 10-7/a, but the strain distribution...

The current crustal horizontal strain field is given in the paper based on the horizontal movement rates obtained from about 400 GPS stations located in Chinese mainland and its surrounding areas. The results show: ①the horizontal strain in Chinese mainland is strong in the west and weak in the east and the shear strain is larger than the normal strain (absolute magnitude). The general strain magnitude is 10-8/a and in local regions is 10-7/a, but the strain distribution is not homogeneous; ②The regions with the most significant NS-trending strains are the Himalayas belt along the western segment of Chinese southern boundary, the segment of 36N~42N along the western boundary and the northern margin of Qaidam block; ③The EW-trending strain variation along the western margin is the maximum and it is characterized by the alternatively positive and negative variations from the west to the east; ④The regions with larger magnitudes of REN (NE-trending shear strain) and Rmax (maximum shear strain) are Himalayas belt, the segment of 36N~42N along the western boundary, the western part of Qaidam block, Sichuan-Yunnan (Chuan-Dian) rhombic block and the border area of Alxa, Qilian and Tarim blocks; ⑤The surrounding area of Qinghai-Xizang (Qingzang) block is mainly superfacial contraction and its interior is basically superfacial expansion. The area to its north is mainly superfacial contraction with the maximum magnitude along the western boundary and the minimum magnitude in the eastern part (except Yanshan tectonic zone); ⑥In the west of the western part, the principal compressive strain is in the SN direction and the principal tensile strain is in the EW direction, while in the eastern margin area of the western part, the principal compressive strain is proximate EW and the principal tensile strain is about SN. The principal strain direction of Chuan-Dian rhombic block has changed greatly. In the northern part, it is compression in the EW and tension in the SN, while in the southern part, it is just the opposite; ⑦The strain pattern in Chinese mainland might be the integration of block mode and successive deformation mode. In addition, the shear strain might be the small-scale dominant strain. Such a result might be resulted from the collision of India plate and the boundaries coupling, and it is also closely related to the motion of deep-seated matters and the physical nature of crustal medium. Therefore, it should be noted that since the GPS stations are not homogenous in spatial distribution, the obtained strain fields and the scales of the strain should be different.

以中国大陆及周边近400个GPS测站的水平运动速率为基础,给出了现今地壳水平应变场结果表明:①中国大陆水平应变为“西强东弱”,剪应变数值大于正应变数值(绝对值),应变量级一般为10-8/a,局部区域达到10-7/a,但应变分布不均匀;②南北向应变最突出的部位为中国西南部西段的喜马拉雅条带、西北部的36N~42N段及柴达木断块的北缘;③东西向应变西边缘变化最大.此外,由西向东还具有正负交替的变化特征;④REN(东-北向剪切应变)与Rmax(最大剪切应变)数值较大的区域分别是喜马拉雅条带、西北部的36N~42N段、柴达木断块的西部、川滇菱形块体,以及阿拉善、祁连及塔里木断块的交界区;⑤青藏块体周边以面收缩为主,内部则以面膨胀为主.其以北的地区以面收缩为主.西界数值最大,东部数值最小(除燕山构造带外);⑥西部西区主压应变为南北向,主张应变为东西向.西部东缘区主压应变为近东西向,主张应变为近南北向.川滇菱形块体主应变的方向发生了很大的变化,北部地区为东西压南北张,南部地区则恰好相反;⑦中国大陆的应变模式可能是“断块模式”与“连续模式”的组合.此外,小尺度优势应变可能是剪切应变.造成上述结果除与印度板块的碰撞及边界耦合...

以中国大陆及周边近400个GPS测站的水平运动速率为基础,给出了现今地壳水平应变场结果表明:①中国大陆水平应变为“西强东弱”,剪应变数值大于正应变数值(绝对值),应变量级一般为10-8/a,局部区域达到10-7/a,但应变分布不均匀;②南北向应变最突出的部位为中国西南部西段的喜马拉雅条带、西北部的36N~42N段及柴达木断块的北缘;③东西向应变西边缘变化最大.此外,由西向东还具有正负交替的变化特征;④REN(东-北向剪切应变)与Rmax(最大剪切应变)数值较大的区域分别是喜马拉雅条带、西北部的36N~42N段、柴达木断块的西部、川滇菱形块体,以及阿拉善、祁连及塔里木断块的交界区;⑤青藏块体周边以面收缩为主,内部则以面膨胀为主.其以北的地区以面收缩为主.西界数值最大,东部数值最小(除燕山构造带外);⑥西部西区主压应变为南北向,主张应变为东西向.西部东缘区主压应变为近东西向,主张应变为近南北向.川滇菱形块体主应变的方向发生了很大的变化,北部地区为东西压南北张,南部地区则恰好相反;⑦中国大陆的应变模式可能是“断块模式”与“连续模式”的组合.此外,小尺度优势应变可能是剪切应变.造成上述结果除与印度板块的碰撞及边界耦合有关外,还与深部物质的活动及地壳介质的物性有密切的关系.必须指出,由于GPS测站

 
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