| 释义 |
有线通信yǒuxiàn tōngxìn一种通信方式,利用导线传输电信号,电信号可以代表声音、文字、图像等。按照传输内容不同可分为有线电话、有线电报、有线传真等;按照传输线路不同可分为明线通信、电缆通信等。{wired telecommunications; method of communication by which wire is used to transmit signals that may represent sounds, words or images. According to what is transmitted, it is divided into wire telephone, wire telegraph and wire facsimile, and according to the different lines, it is divided into outdoor wire communication, cable communication, etc.} |