“geochemical background”的概念、定义、翻译、参考文献-科学参考

单词	geochemical background
释义	geochemical background Encyclopedia 理学矿产勘查地球化学释 geochemical background地球化学背景在背景区内天然物质中的元素含量。
随便看	tangential tetrahedron tangential transformation tangential triangle tangential unit vector tangential variety tangential velocity tangential wall tangential wound tangent indicatrix tangent internally tangent line tangent local charts tangent map tangent mapping tangent method tangent microbundle tangent number tangent of a circle tangent of an angle tangent of dielectric loss angle tangentoid tangentoidal curve tangentor tangent osculating circle tangent osculating half-space

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。