英语词汇“time and frequency standard”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	time and frequency standard
释义	time and frequency standard time and frequency standard A reference value of time and time interval. Standards of time and frequency are determined by astronomical observations and by the operation of atomic clocks and other advanced timekeeping instruments. They are disseminated by transport of clocks, radio transmissions, satellite relay, and other means.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。