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tectonic area
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  构造区
     The relation between scalar seismic moment and local magnitude in Tengchong is logM_0=0.98M_L+1048 which is esentially identical to logM_0=0.99M_L+1043 in adjoined Yao'an tectonic area.
     震级与地震矩之间的关系式为logM0=0.98ML+10.48,与姚安构造区得出的结果基本一致;
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     for the second grade there are 5 terraces in all which are those separately simultaneously developed within the Haiyuan-Tianjingshan tectonic area and represent the number and magnitude that this tectonic area itself has uplifted alone since 1 6 Ma;
     第二层次的阶地共有 5级 ,为海原 -天景山构造区内同期发育的阶地 ,它们代表 1 6Ma以来该构造区本身独自隆升的次数和幅度 ;
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     In the process of the Yellow River's flow through the Haiyuan-Tongxin arc-form tectonic area on the northeastern side of the Qinghai-Xizang plateau, as many as 10~21 basis and erosion terraces have been produced, among which the biggest altitude of terraces above the river level is 401m and the formation age of the highest terraces is 1 57 MaBP.
     黄河在流经青藏高原东北缘海原 -同心弧形构造区的过程中 ,发育了多达 10~ 2 1级的基座和侵蚀型阶地 ,其最大拔河高度为 4 0 1m ,最高阶地的发育年代为 1 5 7MaBP。
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     3D seismic exploration of complicated tectonic area in Jiangxi
     江西复杂地质构造区三维地震勘探技术
     Since Lower Devonian to Middle Permian Maokou period, the Hercynian movements which relied on extension motion began in the south China plate and Sanjiang tectonic area in the west of south China Plate, the deposition and the tectonic evolution of south China had characters of passive continental margin, which was characterized by intracontinental rift basin to passive continental margin rift basin for the basin type.
     自早泥盆世至中二叠世茅口期,华南板块和西边的三江构造区开始了以伸展作用为主的海西运动,中国南方的沉积、构造演化具有被动大陆边缘的性质,盆地类型则从陆内裂陷盆地演变为被动陆缘裂陷盆地。
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  构造分区
     THE DIVISION AND EVOLUTION OF TECTONIC AREA IN WESTERN KUNLUN MT. -KARAKORUM MT.
     西昆仑山—喀喇昆仑山的构造分区及其演化
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     In this paper, we study the tectonic characteristics, stress field characteristics, tectonic area division and superiority block, and provide the target area, the strong technical support and scientific basement for the exploitation of seam gas.
     本文研究恩洪盆地的构造和应力场特征、构造分区、优选区块,为煤层气的开发提供靶区,并为开发提供有力的技术支持和科学依据。
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  “tectonic area”译为未确定词的双语例句
     Engineering geology study of the regional rectonic stability of the active tectonic area
     构造活动地区区域构造稳定性的工程地质研究
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     Application of Three-dimensional Seismic Exploration Method in Complicated Tectonic Area
     三维地震勘探在构造复杂区的应用
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     It is the most active tectonic area of the Eurasia.
     它是地球上陆地隆升最显著的地区,是欧亚大陆现代构造运动最活跃最强烈的地区,也是世界大陆岩石圈构造运动最活跃的地区之一。
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     The depositdrialfeatures of the lowstand system tract are also different in various tectonic area. There shows arelationship between the apuence stratigraphy and coal accumulating agency.
     在不同构造区域层序地层界面有其特殊的识别标志,层序地层也有不同模式,主要表现为低位体系域(LST各有不同的沉积特点,聚煤作用在不同体系域也各有规律。
短句来源
     . The studying area locates in the east of Tetisi-Himalayan tectonic area ,the north of Sanjiang tectonic belt ,the structural line turns from about east-west direction to the trasition point of south-north diretion, geotectonic position is special .
     研究区位于特提斯-喜马拉雅构造域东部“三江”构造带的北部,构造线由近东西向急转为近南北向的转折部位,大地构造位置独特。
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  tectonic area
If a false alarm is defined as a period of quiescence with a significance level larger than a precursory quiescence in the same tectonic area, then we estimate, based on searches in four areas, that the false alarm rate may be on the order of 50%.
      
Low Pn velocity is observed in southwest Yunnan, Tengchong volcano area, and the Panxi tectonic area.
      
This is why high scattering distribution of heat flow value appears in an active tectonic area, where faults are frequently developed.
      
Now I am testing in the opposite direction, to see if each CMT class produces similarily the same sound-type, independent from the tectonic area.
      


As is well known the regional tectonic stress field is of great importance to the study of seismogenesis, earthquake prediction and earth dynamics. In this paper a synthetic analysis of current tensile stress field existing in the block-faulting tectonic areas of North China is given on the basis of observations and investigations of various phenomena such as seismogenetic structure, ground failure and seismic fault caused by a great earthquake, focal mechanism, the pattern of elastic rebound, the...

As is well known the regional tectonic stress field is of great importance to the study of seismogenesis, earthquake prediction and earth dynamics. In this paper a synthetic analysis of current tensile stress field existing in the block-faulting tectonic areas of North China is given on the basis of observations and investigations of various phenomena such as seismogenetic structure, ground failure and seismic fault caused by a great earthquake, focal mechanism, the pattern of elastic rebound, the triggering of earthquake by tidal force and so on.In addition, the influence of the Pacific plate and the Indian plate on the tensile stress field in North China as a result of underthrusting of both plates under the Asian continent, is also discussed here, and it should be emphasized that the process occurring in the deep-seated portion of the earth crust must be of great importance to the tensile stress field present in North China.

区域构造应力场对于研究地震成因、地震预报和地球动力学都具有重要的意义。本文根据华北的主要发震构造、大地震时的地面破裂和地震断层、震源机制、断层弹性回跳模式以及潮汐力对地震的触发关系等方面的资料,综合论述了华北块断构造区的现代引张应力场。最后探讨了太平洋板块和印度板块向亚洲大陆俯冲对华北引张应力场的影响。指出深部作用对华北引张应力场的实际意义。

This paper gives a general account of the contents of related papers read at the symposium on “Seismie Tomography and Three-dimensional Method”first held at 1984 Spring Annual Meeting of the American Geo- physical Union.Seismic tomography has been using ever-increasing earthquake data in recent years to obtain seismic wave velocity structure of three-dimensional patterns by new computing technology to satisfy various constraints.As a result the three-dimensional distribution of wave velocity at various mantle...

This paper gives a general account of the contents of related papers read at the symposium on “Seismie Tomography and Three-dimensional Method”first held at 1984 Spring Annual Meeting of the American Geo- physical Union.Seismic tomography has been using ever-increasing earthquake data in recent years to obtain seismic wave velocity structure of three-dimensional patterns by new computing technology to satisfy various constraints.As a result the three-dimensional distribution of wave velocity at various mantle depths all over the world has been obtained and a comparison with the available distribution map of plate tectonics shows that seismic wave velocity is slow in most of the active tectonic areas,rift valley zones,volcanic areas and beneath mid-oceanic ridges,while it is fast beneath plateform areas.The distribution of wave velocity in some other areas manifests certain particularities,which is worth further study.The map of mantle con- vection constructed by Tanimoto et al.provides new quantitative basis for studies on plate tectonics.Seismic tomography has become an important means to the study of physical and chemical properties of the earth′s interior.

本文概述了美国地球物理联合会1984年春季年会上首次举办的“震波射线层析图象技术和三维方法”专题讨论会有关文献的内容。震波射线层析图象技术利用近年来日益增多的地震数据,用新的计算技术求得三维图象的地震波速构造,使之满足各种约束条件。求得全球各种地幔深度范围的三维波速分布,并与现行的板块构造分布图作对比,结果表明,在大部分构造活动区,裂谷带、火山区和大洋中脊下面的震波速度是慢的,而地台区下面的波速是快的,另有一些地区的波速分布表现了一定的特殊性,值得进一步研究。谷本等得出的地幔对流图为板块大地构造研究提供了新的定量基础。震波射线层析图象技术已成为研究地球内部物理、化学性质的重要手段。

Southeastern China, approachingt the western Pacific ocean,was located oa the fore of the Eurasian plate, which is a typical tectonic area of the continental plate breakup since the chinese continent growth toward east and south. Two large-scale collisions and junctions had taken place since 1200Ma,i.e. that Yangtze plate subducted from south to north during the period of 1000Ma as well as obducted from southwest to northeast and overlapped on the Lower Yangtze sub-plate during the period of 500Ma. After...

Southeastern China, approachingt the western Pacific ocean,was located oa the fore of the Eurasian plate, which is a typical tectonic area of the continental plate breakup since the chinese continent growth toward east and south. Two large-scale collisions and junctions had taken place since 1200Ma,i.e. that Yangtze plate subducted from south to north during the period of 1000Ma as well as obducted from southwest to northeast and overlapped on the Lower Yangtze sub-plate during the period of 500Ma. After this tectonic event, the basement structure framework of southeastern China was established. Mean while, three parallel continental plate breakup in NNE trend with ( 1 ) accompanying the collision, glowthing a suit of ultrobasic-basic rock and calc-alkali complex "intruded" and eruped on the big type transitional-breakup belt of NNE trend during the period of lOOOMa; 2 ) during the period of 160 to 100Ma, the newly continental breackup was taken place on the eastern margin of the Eurasian continental plate along NNE-SN trend.Korea peninsula,Japan Islands and Taiwan Islands consisted of clastic mass breakup toward east. In the meantime of destruetion, a suit of the continent type rhyolite chain was formed: (3) after 35Ma, lately breakup occurred on the Eurasian continental margin, and this breakup made the western Pacific boundary by Itoigawa-Shiz-uoka tectonic line .Growthed magma-tectonic terrain, containing alkaline basalt, tholeiite system,occurred on the breakup belt to the of boundary that consisted of Kuril-northeast Japan Islands-Izu-Bonin and extended along SN to NNW trend.We think that the evolution of lithosphere plate of southeastern China was directly correlated with the process of the Eurasian plate growthing toward east.

中国东部构造演化,自1200Ma以来曾发生过两次碰撞、三次裂解。并有向东增生的构造岩浆地体。资料表明:①从中国大陆向东至日本、台湾均为人陆型地壳;②中国东部及西太平洋大陆板块的各微板块之间地壳结构不同;③裂解带的形成是由于热点和地幔对流导致大陆解体;④裂解带均显示出高重力正异常,上地幔顶部波速低、具低速层、高热流区的“裂谷垫”性质;⑤增生的构造岩浆地体同位素组成、微量元素与洋中脊玄武岩的性质有较大差异,裂解带的岩浆为大陆地幔的特征;⑥上地幔特征及岩浆分融、分异均显示出横向不连续。也显示山化学边界层和热边界层的不连续。

 
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