“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	Broadcasting Realm Broadcasting Reporter broadcasting rights of sports events broadcasting satellite Broadcasting-Satellite Service broadcasting signal lamp broadcasting sound console broadcasting system broadcasting target affinity broadcasting target saturation broadcasting time spent broadcasting van broadcast network Broadcast news editing broadcast phonations broadcast pull broadcast receiver broadcast review broadcast rhythm broadcast series broadcast sower broadcast sowing broadcast speech broadcast war in Xi'an incident broad emission line

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