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

单词	reference frequency standard
释义	reference frequency standard Encyclopedia 工学激光频率稳定技术释 reference frequency standard参考频率标准在激光频率稳定系统中，具有高频率稳定度，用于测量激光频率起伏的测量标准。作为标准使用的参考频率需满足具有高的稳定度和复现性、线宽窄、信噪比高、与受控激光的频率相匹配等要求。
随便看	Down's syndrome downstep downstream downstream back downstream fish passage facilities downstream processing downstream sequence Down the Mountain downthrust down time Downton Abbey Downtown Pittsburgh downward downward bias downward causality downward compatibility downward concave downward continuation downward control principle downward convex downward cumulation downward deviation downward directed set downward drift stoping with backfill downward lighting

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