upper mantle

基本解釋

• [地物] 上地幔；上部地函

同根派生

• upper mantle相關(guān)詞

英漢例句

雙語例句

• There are three layers: the upper mantle, lower mantle and the core.
  地球內(nèi)部分為三層：上地幔，下地幔以及地核。
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• The rock is peridotite, which is one of the main rocks in the upper mantle, an area that provides a girth below the Earth’s crust.
  這種石頭是橄欖巖，上地幔（地殼以下環(huán)繞地殼一周的區(qū)域）的主要組成成分。
• Under Ganymede's thin, icy crust lies a well-defined upper mantle of warmer ice, an inner mantle of silicate, and a molten iron core. (Related blog: "Comets 'Melted' Jupiter's Biggest Moon.")
  木衛(wèi)三單薄的冰殼之下有一個界限清楚的暖冰上地幔，硅酸鹽的內(nèi)地幔以及一個熔鐵核心。

權(quán)威例句

• The rock is peridotite, which is one of the main rocks in the upper mantle, an area that provides a girth below the Earth's crust.
  ECONOMIST: Greenhouse gases

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詞組短語

短語

• upper -mantle 上地幔
• upper r mantle 上地幔
• crust -upper-mantle structure 地殼上地幔結(jié)構(gòu)
• crust and upper -mantle velocity structure 地殼上地幔速度結(jié)構(gòu)
• crustal and upper -mantle S-velocity 地殼和上地幔波速

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專業(yè)釋義

地球科學(xué)

• 上地幔

  There is appreciable difference in noble gas isotopic composition among the mantle plume,upper mantle and crust. Using this feature,the mantle plume can be well traced and recognized.
  利用地幔柱、上地幔和地殼在稀有氣體同位素組成方面的明顯差異,國際上在對地幔柱進行示蹤和判識方面已取得了良好的效果。

• 上地函
• 上部地函