“closed isotope system”的概念、定义、翻译、参考文献-科学参考

单词	closed isotope system
释义	closed isotope system Encyclopedia 工学〔地学中核技术〕释 closed isotope system同位素封闭体系在系统形成之后的地质作用中，对所研究的元素和同位素而言，没有物质的带入和迁出的体系。
随便看	economic geography and public policy economic geography of forestry Economic Geography: the Integration of Regions and Nations economic globalization economic governance economic growth Economic Growth and Agriculture economic growth factor economic growth theory economic hinterland economic impacts of the port economic incentive instruments economic indemnity economic index economic indicator economic information analysis Economic Information Daily economic information resource economic information science economic information service economic information system economic injury level economic integration in GATS economic intelligence economic interest

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