“the core and mantle system”的概念、定义、翻译、参考文献-科学参考

单词	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。
随便看	geography of river transportation geography of rural household geography of rural poverty geography of surfaces Geography of the Countries geography of transportation sector geography of tropics geography of urban transportation Geography Records of Western Regions geo-grid map Geogrids GEOHAB geoheritage geoheritage contrast geoheritage database geoheritage protection level geoheritage protection plan geoheritage qualitative evaluation geoheritage reserve geoheritage site geoheritage survey geoheritage utilize Geoid geoid geoidal height

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