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cesium clock
释义
cesium clock
Encyclopedia
工学
频率标准
释
cesium clock
铯钟
利用铯(133Cs)原子基态两个超精细能级间跃迁作为频率参考(在不受外场干扰的条件下,频率为9.192631770吉赫),通过锁定环路锁定晶体振荡器,使晶体振荡器能够输出高稳定度和高准确度时间频率信号的原子钟。采用的工作原子为铯原子,又称铯原子频率标准(简称铯频标)、铯原子钟。
Astronomy
cesium clock
铯钟
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penetrating encounter
penetrating method
penetrating power
penetrating probes
Penetrating the Mysteries Record of Penetrating the Netherworld
penetration
penetration ability of nuclear weapon
penetration capability of missile
penetration coefficient
penetration depth
penetration depth of the photosensitive resin
penetration disorder
penetration effect
penetration enhancers
penetration gland
penetration height
penetration probability
penetration scenario
penetration test
penetration testing
penetration twin
penetrative convection
penetrative structure
penetrator
penetrometer
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