“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	European single market European Skills Passport European Societyfor Agronomy,ESA European Society for Ecological Restoration European Society for Rural Sociology European Society of International Law European Society of Nematologists European socio-economic classification European Source of War European Southern Observatory European Southern Observatory - Munich Image Data Analysis System european southern observatory-munich image data analysis system European Space Agency European Spacelab European Space Research Organization European Spatial Development Perspective European style furniture European synchrotron radiation facility European Telecommunications Satellite Organization European Telecommunications Standards Institute European Tour European Union European Union Agency for Law Enforcement Training European Union Agency for the Operational Management of Large-Scale IT Systems in the Area of Freedom, Security and Justice European Union General Committee for Agricultural Cooperation

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