英语词汇“primary-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	primary-frequency standard
释义	primary-frequency standard primary-frequency standard [′prī‚mer·ē ′frē·kwən·sē ‚stan·dərd] (communications) One of the standards of frequency maintained by various governments; the operating frequency of a radio station is determined by comparison with multiples of this standard frequency.
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