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wireless telegraphy

資料來源 : WordNet®

wireless telegraphy
     n 1: telegraphy that uses transmission by radio rather than by
          wire [syn: {radiotelegraph}, {radiotelegraphy}]
     2: the use of radio to send telegraphic messages (usually by
        Morse code) [syn: {radiotelegraph}, {radiotelegraphy}, {wireless
        telegraph}]
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