英语词汇“two-tone keying”的翻译、意思、用法、释义-英汉汉英词典

单词	two-tone keying
释义	two-tone keying 【电信学】双音频键控以上来源于：《21世纪大英汉词典》 two-tone keying二音调键控two-tone keying二音按键two-tone keying二音按鍵電機工程two-tone keying二音調鍵控電子計算機名詞
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