| 词汇 | upper mantle |
| 类别 | 英汉双解翻译词典 |
| 释义 | upper mantle 释义 上地幔:地球内部结构的一部分,位于地壳之下,主要由固态岩石组成,但在一定条件下会呈现部分熔融状态。 例句 1·Because of its proximity to Earth's core, the rock at the base of the mantle is much hotter than rock in the upper mantle . 由于靠近地核,地幔底部的岩石比上地幔岩石的温度高得多。 2·When a reservoir is sufficiently large, a sphere of this hot rock forces its way up through the upper mantle to Earth's surface, creating a broad bulge in the topography. 当储层足够大时,这种炽热岩石的一个球体强行通过上地幔上升到地球表面,在地形上形成一个宽阔的隆起。 3·The occurrence of pargasite reflects the participation of the upper mantle fluids and the metasomatism. 角闪石的出现反映上地幔流体的渗透及交代作用。 |
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