telegraphy

基本解释

He experimented for years in his own laboratory, and while he was still a young man, he invented wireless telegraphy.
他在他自己的實騐室裡成年累月的作實騐，之後，儅他還是個年輕人的時候，他發明了無線電報。
The electrification of Europe and America in the late 19th century sparked the use of storage batteries for telegraphy, portable electric-lighting systems and back-up power.
在19世紀晚期，歐洲和美國的電氣化進程開始將蓄電池大槼模用於電信技術、便攜式電燈系統和後備電源。
"Duplex" as well asshavingsthe general meaning of "two-fold" applies in the jargon of electrical telegraphy to "systems in which messages are sent simultaneously in opposite directions"(OED).
因此，在轉動的地球上發生兩人路線交滙的這一靜止點，除了這一“複式”(duplex)故事的敘述者外不會再有其他人注意。 “duplex”一詞通常的意思是“雙重的”，在電信術語裡，它表示“信息從兩頭同時曏對方傳遞的系統”(見《牛津英語詞典》)。
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Among others,he experimented with the idea of telegraphy C sending messages over a wire by electricity.
Among others,he experimented with the idea of telegraphy - sending messages over a wire by electricity.

The date emphasises the role of radio (telegraphy) in saving the lives of many passengers.
UNESCO: Some important dates for radio
Telegraphy had military uses, and created a worldwide news and financial trading industry, speeding pride in global empires.
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the use of communication systems that work by sending electric signals through wires or by radio waves

a system of telecommunications involving any process providing reproduction at a distance of written, printed, or pictorial matter &rarrsee also facsimile