英语词汇“threshold frequency”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	threshold frequency
释义	threshold frequency threshold frequency [′thresh‚hōld ‚frē·kwən·sē] (electronics) The frequency of incident radiant energy below which there is no photoemissive effect.
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