“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	school regulation school-rejection student school report school republic school retention rate school roll school room school routine school rule school-run factory schools school schedule school section school segregation school self-government school service department school site school size schools of literature school spirit school stamp schools television school superintendent school-supervised teaching practice school support

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