英语词汇“two-tone keying”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	two-tone keying
释义	two-tone keying two-tone keying [′tü ¦tōn ′kē·iŋ] (communications) Keying in which the modulating wave causes the carrier to be modulated with one frequency for the marking condition and modulated with a different frequency for the spacing condition.
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