multimedia era多媒体时代multimediaadj.多媒体的n.多媒体multimedia--based teaching多媒体教学multimedia teaching instrument多媒体教学手段multimedia overhead projectors多媒体投影Multimedia assistance teaching多媒体辅助教学multimedia systems/products多媒体系统/产品multimedia presentation system多媒体表现系统multimedia phonetic laboratory多媒体语音实验室multimedia CAI teaching lesson多媒体CAI课件Multimedia and Online Teaching多媒体网络教学multimedia-assisted teaching多媒体教学