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atomic clock
释义
atomic clock
n.
(名词)
An extremely precise timekeeping device regulated in correspondence with a characteristic invariant frequency of an atomic or molecular system.
原子钟:一种极其精确的计时系统,因其频率与原子或分子显著不变的频率相一致来控制
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更新时间:2025/8/24 20:47:15