“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	non-compact group non-compact manifold non-compactness non-compact semigroup non-compact space non-compact surface non-compact transformation group non-compact type non-comparable non-comparable elements non-comparable summations non-compatible non-compensatory model non-compete system noncompetitive inhibition noncompetitive inhibitor non-competitive party system non-competitive price model non-complementable subspace non-complete non-complete quotient non-complete space noncompliance non-compressible fluid non-computability

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