radiotelegraphy 在《牛津英西词典》中的词汇

词条radiotelegraphy在西班牙语»英语中的译文

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单语范例（未经PONS编辑处理）

英语
Signals can be sent by flaghoist, signal lamp (blinker), flag semaphore, radiotelegraphy, and radiotelephony.
en.wikipedia.org
The advent of radio in the early 1900s brought about radiotelegraphy and other forms of wireless telegraphy.
en.wikipedia.org
The origins of this are from the era before radiotelegraphy and radiotelephony, when orders were given by flag signals.
en.wikipedia.org
Continuous-wave radio was called radiotelegraphy because like the telegraph, it worked by means of a simple switch to transmit Morse code.
en.wikipedia.org
It is used in spoken word (radiotelephony) morse code (radiotelegraphy) and in various digital modes.
en.wikipedia.org
The licence allows a user to make radiotelegraphy and radiotelephony transmission in 13 frequency bands.
en.wikipedia.org

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