释义 |
无线电通信wúxiàndiàn tōngxìn一种通信方式,利用无线电波在空间传输电信号,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无线电话、无线电报、无线传真等;按照电波波长不同可分为长波通信、中波通信、短波通信等。{radio communication; wireless communication; a form of communication by which radio waves representing sounds, words or images are used to transmit signals through space. According to what is transmitted, it is divided into radiotelephone, radio-telegraphy and radio facsimile, etc.; according to the length of the radio waves, it is divided into long wave communication, medium wave communication, short wave communication, etc.} |