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the core and mantle system
释义
the core and mantle system
Encyclopedia
理学
[地理系统]
释
the core and mantle system
地核和地幔系统
地球内部圈层的重要组成部分,其中一个重要组成部分是地核和地幔系统。过去的25亿年里,地核物质一直在向地幔的底部转移。核幔边界层连接了下地幔和外核两大系统,是地核和地幔生物物质较为活跃的化学反应区。
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