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rubidium clock
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rubidium clock
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rubidium clock
铷钟
利用铷气泡中铷蒸气原子超精细跃迁谱线频率校正晶体振荡器频率得到的原子钟。即铷原子钟。又称铷原子频率标准、铷频标。
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rubidium clock
铷钟
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foreign penetration
Foreign Permanent Resident ID Card
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Foreign Settlement Mode in Ningbo
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Foreign Trade Bank of Latin America
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forein body in pharynx
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Forel scale
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