“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	power-aware multiaccess protocol with signaling, PAMAS power battery power beam surface structuring technology power beam welding power behavior mechanism power behavior theory power big data power bond graph method power-bounded power broadening power cable power cable test power-cancellation power capacitor power ceilings power center power centrismcentrism power character power circle power coal power combiners power compensation DSC power conditioner power conditioning module power congruence

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