make-and-break device 中文意思是什麼
make-and-break device
解釋
斷續器-
Make and break device
斷接裝置 -
In telegraphy communications, a device with a finger - operated lever with contacts that make and break a circuit to send characters by means of dots and dashes or spaced clicks
在電報通信技術中,一種用手指操縱的器件,通過按下、松開使電路一會兒通、一會兒斷,形成點、劃、空的信號,從而發送出字元(信息) 。
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