Visitors are shown an audio-visual presentation before touring the cellars. 参观酒窖前,游客们先观看了有声的视频介绍。
The extensive use of audio-visual aids has opened the way to better results in the teaching of foreign languages. 视听(AV)设备的广泛使用为外语教学取得更好的效果成为可能。
Presentation of documentary evidence, material evidence and audio-visual material; 出示书证、物证和视听(AV)资料;
Each has the latest audio-visual equipment and cameras for web-conferencing speakers from the east coast and wall street. 每间教室都配备了最新的视听(AV)设备和摄像机,可以与东海岸和华尔街的人开网络会议。
You also should take two three-credit courses in the Education Dept.I suggest Educational Psychology and Audio-visual Methods and Aids. 你还应在教育系学两门三个学分的课程。我建议你学教育心理学和视听(AV)法及视听(AV)设备。