“level of standards”概念、定义、翻译-科学时代

单词	level of standards
释义	工程与技术词汇手册 level of standards 标准级别
随便看	manganese-activated zinc silicate manganese brass manganese bronze manganese chloride manganese chloride manganese dioxide manganese fertilizer manganese green manganese iron manganese killed steel manganese--manganese（Mn） manganese nodule manganese ore manganese oxide manganese phosphor manganese soap manganese spar manganese star manganese steel manganese steel manganese superoxide manganese yield manganese/zinc cell manganese（Mn） manganese（Mn）

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。

level of standards