研究表明，电气化铁路隧道是语音和低速数字信号传输的有效信道。

研究表明，电气化铁路隧道是语音和低速数字信号传输的有效信道。的英文翻译

基本释义

• It is shown that an electrified railway tunnel is an effective channel for transmission of language and slow digital signals.