“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	classification by correspondent Classification Catalogue of Medical Devices classification criteria of mentalhandicapped classification criterion classification efficiency of grinding products classification factor classification for educational system Classification for Library of the Chinese Academy of Sciences classification indexing method classification language Classification Learning classification management of medical institutions classification method based on product or equipment model classification method of archival material object classification of African grasslands classification of agricultural types classification of air cleanliness classification of algebraic surfaces classification of archaea classification of Australian grassland classification of bacteria classification of blasting engineering classification of boiler Classification of Books Classification of Buddha’s teachings

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