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radio telegraphy的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
名詞 radiotelegraphy:
-
telegraphy that uses transmission by radio rather than by wire
-
the use of radio to send telegraphic messages (usually by Morse code)
radio telegraphy的用法和樣例：
例句
- Wireless telegraphy, the phonograph and the radio are based on this law.
無線電報，留聲機和無線電廣播都基於這個法則。 - When Marconi invented his wireless telegraph, he never imagined broadcast radio.
當馬可尼發明無線電報的時候，他從未想到以後會出現無線電廣播。
