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单词
gas-cell frequency standard
释义
gas-cell frequency standard
gas-cell frequency standard
[
′gas ‚sel ′frē·kwən·sē ‚stan·dərd
]
(atomic physics)
An atomic frequency standard in which the frequency-determining element is a gas cell containing rubidium, cesium, or sodium vapor.
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更新时间:2025/12/12 22:19:44