“national standard material”的概念、定义、翻译、参考文献-科学参考

单词	national standard material
释义	national standard material Chemistry ＞环境化学＞其他相关概念＞释义 national standard material国家级标准物质
随便看	extendable extendable homomorphism extend APD drugs extended Extended and Classified Fine Writings of Three Sus extended Arrhenius equation extended atmosphere extended Backus-Naur form extended Backus normal form extended bandwidth second generation asymmetric digital subscriber line extended basis extended binary tree extended calculus extended case study extended chain extended chain crystal extended-chain crystal extended chain length extended coding extended commutator extended complex plane extended cycloid extended dislocation extended energy loss fine structure EXELFS extended entity-relationship model

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。