Recommended methods of measurement on receivers for television broadcast transmissions - Part 3: Electrical measurements on multichannel sound television receivers using subcarrier systems (IEC 60107-3:1988 + A1:1999)
电视广播传输接收机的推荐测量方法第3部分:使用副载波系统的多声道声音电视接收机的电气测量(IEC 60107-3-1988+A1-1999)