Telegraphy - Wikipedia, the free encyclopedia

Telegraphy - Wikipedia, the free encyclopedia

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日期:2024-06-01
Telegraphy (from Greek: τῆλε tele, "at a distance" and γράφειν graphein, "to write") is the long distance transmission of textual/symbolic (as opposed to verbal or audio) messages without the physical exchange of an object bearing the message. Thus semaph...看更多