“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	propagation propagation cone propagation constant propagation delay propagation error propagation fluctuation propagation medium propagation of chaos propagation of dislocations during crystal growth propagation of electromagnetic wave in turbulent atmosphere propagation of elite peanut varieties propagation of error propagation of errors propagation of long and very long wave in the ionosphere propagation of medium wave in the ionosphere propagation of nursery stock in protected structures propagation of short wave in the ionosphere propagation of singularities propagation of ultra short wave and microwave in the ionosphere propagation path loss propagation terminal technology propagation theorem propagation time propagation vector propagation velocity

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。