“ru atom frequency standard”的概念、定义、翻译、参考文献-科学参考

单词	ru atom frequency standard
释义	ru atom frequency standard Encyclopedia 工学〔有效载荷〕释 ru atom frequency standard星载铷钟由铷量子部分和压控晶体振荡器组成的铷原子钟。可以作为频率标准，产生高稳定度、低漂移率的单频正弦信号。又称铷原子频标。
随便看	underrelaxation factor underrelaxation method underscore underscreened Kondo effect undersea cable undersea delta undersea farm undersea feature names undersea mining technology undersea plantation undersea ship/underwater craft undersea space station undershoot undershooting undersize undersocialized undersonic frequency underspeed understandability understandable understanding Understanding and Interpretation:A Study of Audience and Museum Learning Understanding Media: The Extensions of Man Understanding Poetry understanding psychology

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