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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。
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Severi group
Severi invariant
Severi number
severity
severity-based response to public emergency
severity evalution of MDS
severity of sampling
severity of the consequences of the accident
Severnaya Zemlya
Severn River
Severo Ochoa
Severo-Zapadnyy Federal’nyy Okrug
severs drought during 1928~1929
severs drought in Chongzhen period of Ming Dynasty
severs drought in Wanli period of Ming Dynasty
Sevilla
Seville
sevoflurane
SEW
sewage
sewage and waste water sampling
sewage chroma
sewage depth processing
sewage disinfection
sewage flow rate monitoring
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