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- earth crust structure 地壳构造
- This article focuses on radiation present in the earth crust. 本文重点介绍源自地壳的辐射。
- Later it separated due to the movement of the earth crust. 后来因为地壳运动才分开了。
- Rhenium is an element which is extremely dispersed in earth crust. 铼是地壳中一种极度分散的元素。
- The Earth crust activity of different geotectonic elements could be estimated with the fracture fractal dimension. 利用断裂尺度分布的分形维数值的大小,可以定性判断不同大地构造单元的地壳稳定性。
- Investigation has been made for the upper crust structure and seismotectonic environments in Yunnan Province by using the plentiful DSS data of the four profiles. 利用4条DSS丰富的测深资料,对云南地区上部地壳结构和地震构造环境进行了层析成像研究。
- Based on this, the relation between fracture fractal dimension and the Earth crust activity was discussed. 在此基础上,讨论了断裂尺度分形维数与地壳活动性的关系。
- Natural radiation in the environment comes from two sources: cosmic rays and radiation present in the earth crust. 环境中的天然辐射有两大来源:一个是宇宙射线,另一个是存在于地壳的辐射。
- The formation of the earth crust and its evolution is a key issue for geodynamics or continental dynamics. 大陆地壳的形成及其演化是地球动力学或大陆动力学需要解决的问题。
- Belts of mountains are cause by movements in the earths crust. 山丘带是由地壳移动而形成的。
- Based on this,the relation between fracture fractal dimension and the Earth crust activity was discussed. 在此基础上,讨论了断裂尺度分形维数与地壳活动性的关系。
- The rock formation and crust structure of seamounts are not all the same. There are both young oceanic basaltic seamounts and “two fold”seamounts that consist of the continental basalt. 各海山形成过程和岩石组成及地壳结构不尽相同,区内有年轻的大洋玄武岩海山,也有包含了大陆玄武岩的“双性”海山。
- Abstract Tectonic compounding common in the earth crust and lithosphere is the records of repeated tectonic movements. 摘 要 构造复合现象在地壳岩石圈中普遍存在,它是构造运动多期次多阶段发展的记录。
- The shallow crust structure characteristics of Manas anticline in Manas earthquake area are studied using high precision shallow seismic prospecting method and advanced data processing technique. 摘要采用高精度的浅层地震勘探方法和先进的数据处理技术,查明瞭玛纳斯地震区玛纳斯背斜的浅部地壳结构特徵。
- The Earth crust activity of different geotectonic elements could he estimated with the fracture fractal dimension. 利用断裂尺度分布的分形维数值的大小,可以定性判断不同大地构造单元的地壳稳定性。
- Abstract: The formation of the earth crust and its evolution is a key issue for geodynamics or continental dynamics. 摘 要: 大陆地壳的形成及其演化是地球动力学或大陆动力学需要解决的问题。
- Undulation is one of the fundamental models of the geological effect , the undulation motion and variation inshape of earth crust is an geologic facts. 波动是地质作用的基本形式之一,地壳的波状运动和变形是客观存在的。
- This movement made the earth crust risen and the north Tianshan ocean close.At last, evolution history of north Tianshan ocean was over. “大草滩运动”造成地壳抬升,使北天山洋闭合,结束了北天山洋的演化历史。
- These facts show that before the earthquakes, deformations of the earth crust in the epicentral regions had already occurred. 这些事实说明了大地震发生前震中区的地层已有变形。
- In the end,the relation between the metallogenesis and the evolution of Archaeozoic and Early Proterozoic earth crust is discussed basing upon the theory of rift. 最后采用裂谷理论讨论了成矿作用与太古代和早元古代地壳演化的关系。