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atomic frequency standard
原子频标
当前最为准确和稳定的一大类频率标准的统称。是原子频率标准简称。
Physics
>原子与分子物理学>冷原子分子物理>释义
atomic frequency standard
原子频标
atomic frequency scale
原子频标
Astronomy
atomic frequency standard
原子频标
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fire alarm and gas detector system
fire alarm control units
fire alarm indicating device
fire alarm system
fire alarm telephone
fire and explosion accident of oil and gas pipeline
fire and explosion accident of oil depot
fire and explosion prevention management of oil and gas stations
fire and explosion prevention technology of oil depot
firearm injury
firearm mark examination
firearm permit
firearms
firearms of the Qing Dynasty
firearm wound
fire assay
fire assaying
fireball
fireball model
fire bank
fire behavior
fire behavior prediction
fire blast
Fire Boy
fire breaks
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