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lower mantle

  • 下地幔:地球内部的一层,约占地球总体积的56%,位于地球表以下660至2900公里的区域。下地幔的压力和温度范围广泛,主要成分包括镁橄榄石、铁方镁石和硅酸钙钙钛矿。下地幔的研究对于了解地球内部结构和地球动力学过程至关重要。

网络释义专业释义英英释义

  [地质] 下地幔

...球球的结构古登堡面, 2891KM54 地壳(Crust)软流圈(Asthenosphere)上地幔(Upper mantle):橄榄石及硅酸盐矿物下地幔(Lower mantle):铁镁质及硅酸盐矿物外核(Outer core) :液态熔融的金属铁内核(Inner core):固态铁55 位于地幔上部。

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  下部地函

这二个地震层面如同温度计一般,提供研究人员了解下部地函lower mantle)最底部温度的状况。此外,前述二个地震层面的发现亦提供研究人员来验证:(1)较低温的岩石圈 (lithpsphere) 之物质是否隐没至地函...

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  地幔

... 地壳(crust) 地幔(mantle)upper mantle;lower mantle 地核(core) ...

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  地幔下部

... lower basin (船闸的)下游河段 lower mantle (下地幔)地幔下部 lower ones elbows落肘 ...

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短语

lower mantle viscosity 下地幔粘性

composition of lower mantle 下地慢组分

earth's lower mantle 下地幔

lower mantle mineral associations 下地幔矿物组合

Downwelling superplume of lower mantle 超级下降地幔柱

lower r mantle 下地幔

Lower Yangtze mantle 下扬子地幔

lower harness thread mantle 下地幔

 更多收起网络短语
  • 下地幔 - 引用次数:4

    参考来源 - 下地幔温压条件下(Mg,Fe)SiO

·2,447,543篇论文数据,部分数据来源于NoteExpress

lower mantle

  • n. the deeper part of the mantle

以上来源于: WordNet

双语例句权威例句

  • This paper deals with the advance in study of the composition, geochemistry and deep seated fluids of lower mantle.

    主要论述深部地幔组成地球化学深部流体研究进展

    youdao

  • Like the CORE of earth, the mantle can also be divided into two concentric layers, the lower mantle and the upper mantle.

    地球核部一样。地幔分为两个同心圆圈层,地幔地幔。

    youdao

  • The east China continent located over the heat source of the lower mantle was uplifted, broken and drifted toward the ocean.

    位于地幔热区之上中国东部大陆发生隆起、破裂、向洋漂移

    youdao

更多双语例句
  • The slugging decades of the 1950s, '60s, '90s and 2000s show that a host of players--Aaron, Willie Mays, Frank Robinson, Mickey Mantle, Harmon Killebrew, Bonds, McGwire, Sammy Sosa and Rafael Palmeiro--come in lower in relative terms than their lifetime home run totals suggest.

    FORBES: The 10 Best Home Run Hitters Of All Time

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