The load characteristics of the traction power supply system are illustrated for the electrified railways. 摘要阐述了电气化铁路牵引供电系统的负荷特性。
It is shown that an electrified railway tunnel is an effective channel for transmission of language and slow digital signals. 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。
