英语词汇“atomic clock”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	atomic clock
释义	atomic clock n. An extremely precise timekeeping device regulated in correspondence with a characteristic invariant frequency of an atomic or molecular system.
随便看	protoceratops protocol protocolar protocolary protoctist protoderm protodermal protogalaxy Proto-Germanic protogynous protogyny protohistorian protohistoric protohistory protohuman Proto-Indo-European protolanguage protolithic protomartyr protomorph protomorphic proton protonema protonemal protonematal

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