multitapen.多条Multipref.表示“多个、多种、多方面”multi-media teaching facilities多媒体教学设备Multi-stage station ventilation多级机站通风multi - faceted teaching reform多方位教学改革Multi-media assistance teaching多媒体辅助教学Multilayer circuit analog screens多层电路屏multi-media audio-visual room多媒体视听室multi-type random recursive set多型随机递归集multi-channel carrier telephony多路载波电话multilingual non-weighted model多语言无权模型multi-stage transmission system多级传动