dc signaling 中文意思是什麼
dc signaling
解釋
直流信號- dc : ＝1 direct current 直流電：a DC generator 直流發電機。2 District of Columbia 哥倫比亞特區〈美國首...
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Dc loop signaling dirrect current
直流環路信令 -
The emergence of dtmf signaling scheme solved much problems of transferring dialing information in the communication system, such as slow, suffering severe distortion, and required a dc path through the communications channel
Dtmf信號的出現解決了以往通信系統中傳輸撥號信息的諸多問題，如速度慢、易受干擾、需要提供直流通路等。
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