“国际标准频率推荐值”的概念、定义、翻译、参考文献-科学参考

单词	国际标准频率推荐值
释义	国际标准频率推荐值 Encyclopedia 工学时间频率计量释 international recommended values of standard frequencies国际标准频率推荐值由国际计量委员会（CIPM）推荐的一组电磁辐射标准频率值。为包含实际复现米定义和秒的次级表示在内的应用而设立。
随便看	naughts and crosses naumannite Naum Moiseevich Korzhavin nauplius larva Naur Nauru Nauru Agreement Nauru Agreement Concerning in the Management of Fisheries of Common Interest Nauru Agreement，Nauru Agreement Concerning Cooperation in the Management of Fisheries of Common Interest Nauruans Nauru International Airport Nausicaa of the Valley of the Wind nautical almanac nautical astronomy nautical chart form nautical charts and publications nautical chart unit nautical ergonomics nautical health supervision nautical medicine nautical mile Nautical Navigation nautical nutrition nautical psychology nautical publications

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。