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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
The sign of the skewness parameter, showing that beyond the corotation radius the concave side of the southern arm shows steeper profiles in both colours, is an indicator that the arm studied is a 'leading' structure.
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The dominant structure is the PNA pattern, but other teleconnection patterns are also merged onto this leading structure.
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| | In this paper, the information coming from more than two hundred drill holes has been analyzed, meanwhile the tWo profiles of the Quaternary structure drill holes and the two probing profiles of radon concentration with long distance have been also completed. Thus the "cold shear structure" developed in the Quaternary loose covering layer in Shanghai and its neighbouring areas has been initiatively revealed. The zone of ductile shear in the upper covering layer is the product of tensile and stretching effec... | | 分析了上海及其邻区的200多个钻孔资料,完成了两条第四系构造钻孔剖面及两条长距离氧浓度探测剖面从而初步揭示出发育于上海及其邻区第四系松软盖层内的“韧性剪切构造”.上覆盖层的“冷剪切带”是下伏基岩脆性断裂带新构造运动期东西向引张与伸展作用的产物.基岩与盖层的物理力学性质差别导致基岩的脆性破裂与盖层的“韧性”剪切变形.初步建立了上海及其邻区楔形断裂系统前锋构造变形的数学物理模型,应用土力学基本原理及有限差分数值方法定性地讨论了上海及其邻区的楔形断裂系统前锋受控于“楔进”与“退出”这两个基本运动过程的变形位移及其地质灾害意义. | | 文摘来源 | | Through the exploration, earthquake information, we can reach the nappe leading structure modes in the West of China including fold, advance, recoil and so on. In general, these structures have undergone the geologic history, the fracture activity is principal in this stage. Their general behaviors are these structures tobe cut by the fault,and has the important effect to separate oil & gas,and it has been confirmed by drilling. The author comprehensively discusses Professor Wang Guiliang's theory, and sugg... | | 通过勘探地震信息可以看出:中国西部推覆前锋带的拆离型、褶皱型、前冲型、反冲型等前锋构造。总体上看这些构造样式都经历了以断裂活动为主的地质史,其共同的特点是构造、地层都被断层切割,对油气分隔都起到了控制作用,并为钻井所证实。作者综合论述了王桂梁教授的理论,并提出:为了应用断块油气田地质规律指导西部的勘探开发,应加强不同类型逆冲、拆离断层前缘带动力状态、扩展方式演化过程和形成机制与油气生成运移、聚集的时空配置关系的研究,特别是富集块的规律性的研究。 | | 文摘来源 | | Kuqa rejuvenation foreland basin and its thrust wedge of foreland deformation belts are structurally responsed to the India Eurasia collision in the interior of Asia continent. Based on the detailed surface geology reconnaissance and interpretations of many seismic profiles, we conclude that thrust wedge of deformation belt in Kuqa rejuvenation foreland basin is divided into five structural units, including the marginal thrust and hidden structural zone, the Shidike anticline zone, the North linear anticli... | | 库车再生前陆盆地冲断构造楔由一系列向南运动的逆冲断层和相关褶皱组成。冲断楔的北部以断层转折褶皱、断层传播褶皱、双重逆冲构造为主。断层楔的前缘发育了很好的滑脱膝折背斜 ,全为肓断层控制 ,形成隐蔽式前锋。冲断层的就位从中新世开始 ,自北向南迁移 ,前锋的构造形成在第四纪。造成逆冲断层的地壳水平缩短作用速度在中新世较慢 ,平均为 0 .35 5mm/a ,上新世中期达 0 .82mm/a ,而到上新世晚期和第四纪速度增大了约一个数量级 ,达到 1.2 9~ 3mm/a | | 文摘来源 | |   | | << 更多相关文摘 |
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