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单词 telautograph
释义

telautograph

noun

tel·​au·​to·​graph
-raf,
-rȧf
plural teleautographs
: a facsimile telegraph for reproducing graphic matter by means of a transmitter in which the motions of a pencil are communicated by levers to two rotary shafts that produce variations in current in two separate circuits and by means of a receiver in which these variations are utilized by electromagnetic devices and levers to move a pen as the pencil moves
formerly a U.S. registered trademark
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更新时间:2024/12/22 13:01:57