“标准物质”概念、定义、翻译-科学时代

单词	标准物质
释义	工程与技术词汇手册 reference material 标准物质
随便看	catchment catchment area catchment area catchment area catchment area catchment area catchment area survey catchment area survey catchment basin catchment basin catchment boundary catchment ditch catchment flow catchment lag catchment management catchment of sewage disposal works catchment wetness index catch mounts catchpenny catch per boat catch per haul catch per unit effort catch phrase catchphrase catchphrase

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

reference material