地壳基本解释

汉语拼音:dì qiào

地球固体圈层的最 外层。大陆部分平均厚度约33千米,高山、高原地区厚度可达60—70千米,海洋部分平均厚度约6千米。分两层,上层由硅铝质岩石组成,下层由硅镁质岩石组成。上层在大洋地壳中很薄,甚至缺失。大陆地 壳表层的岩石,有些经风化破坏后,在生物和人类的作用下形成土壤层。壳(qiào)。

地壳详细解释

  1. 地球表层部分,平均厚度约为三十至七十公里。

    徐迟 《地质之光》:“似乎可以假定,由于南北向的挤压,这部分的地壳先是被剪切,然后又被张裂了。” 杨朔 《永定河纪行》:“恰恰在‘冰川擦痕’的周围,数不尽的工人、农民正用全力在开山劈路,修筑运河。这不止是擦一擦,而是在改造地壳了。”

地壳双语翻译,地壳在线翻译例句

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

      大陆地壳最古老的部分有40亿年历史。

    • Deep in the earth's crust the rock may be subjected to temperatures high enough to melt it.

      在地壳深处,温度如此之高,可能足以将岩石熔化.

    • Stratigraphy studies the sequence of the rocks in the earth's crust.

      地层学研究地壳中岩石的层序.

    • The earth's crust is between 5 and 25 miles thick.

      地壳有五至二十五英里厚.

    • Strains in the Earth's crust seem to pile up.

      地壳的应力似乎一直在积聚着.

    • Under heat and pressure, rocks of the earth's crust move slowly and gradually.

      在热和压力的作用下, 地壳的岩石缓慢而逐渐运动着.

    • Weight of the crust changes as elevations are eroded and materials are deposited elsewhere.

      当高地受到侵蚀,物质沉积到别的地方时,地壳的重量就改变.

    • The continental crust is much thicker than average beneath the great mountain belts.

      在高山地带下面的大陆地壳,其厚度要比平均厚度大得多.

    • Numerical values of the temperatures below the crust can still be given only within broad limits.

      地壳以下温度的具体数值只能给出粗略的估计.

    • All indications are that it is everywhere basaltic and relatively constant in composition.

      所有的迹象只表明海洋地壳处都是玄武岩质的,组成也比较稳定.

    • Depths of these hypocenters concentrate at about 12 km deep in the upper crust.

      这些震源深度集中在地壳上部约12公里处.

    • We will now treat some examples of the temperature field in the crust.

      现在我们讨论一下地壳温度场的某些例子.

    • Some of the minute changes in the earth's crust can be detected by means of instruments.

      地壳一些微乎其微的变化,有的是可以通过仪器测量出来的.

    • Then for a dwelling place, far'neath the earth crust.

      那麽对于居住的地方, 远在地壳之下.

    • Where two continental plates collide the plates either buckle and compress.

      当两块大陆板块碰撞到一起,任何一块地壳板块都会产生变形和压缩.

地壳反义词

地核