“international recommended values of standard frequencies”的概念、定义、翻译、参考文献-科学参考

单词	international recommended values of standard frequencies
释义	international recommended values of standard frequencies 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	PHP Ph-positive acute lymphoblastic leukaemia Phrachansiao Kanlakon Phrae Phragmen-Lindel⍥f principle Phragmen-Lindel⍥f theorem phragmobasidium phragmocone phragmoplast phragmospore Phragmén Phra Lo Phra Mongkut Klao Chao Yu Hua Phra Pathom Chedi Phra Pathomchedi Phra Phuttha Loet La Naphalai phrasal dictionary phrase phrase-based statistical machine translation phrase-based statistical translation model phrase-observing meditation phraseological dictionary phraseological unit Phraseology phrase search

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。