“certification for reference substances”的概念、定义、翻译、参考文献-科学参考

单词	certification for reference substances
释义	certification for reference substances Encyclopedia 医学标准物质定值释 certification for reference substances标准物质定值对标准物质特性量赋值的全过程，是一种具有保存、复现和传递量值功能的计量器具。
随便看	closed semigroup closed semisphere closed sentential formula closed sequence closed set closed set basis closed-shelf book selling closed shell closed shell ion closed-shell ion closed shell molecule closed simplex closed solid sphere closed solution closed space closed sphere closed star closed string closed subalgebra closed subbase closed subcomplex closed subfield closed subgroup closed submanifold closed subscheme

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。