“地核和地幔系统”的概念、定义、翻译、参考文献-科学参考

单词	地核和地幔系统
释义	地核和地幔系统 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	water environmental quality forecast and impact assessment water environmental science and technology water environment capacity water environment control equipment Water Environment Federation water environment function zoning water environment impact evaluation water environment management water environment monitoring water environment protection water environment quality evaluation water environment quality management water environment regulation water erosion water erosion in China water erosion prediction model water escape structure water eutrophication water eutrophication monitoring water extractor waterfall waterfall cave waterfall field Waterfall landscape waterfall landscape

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。