videotex可视图文videon.录像；视频v.录制电视节目adj.视频的；录像的video trunk link frame视频中继线汇接架video motion detection视频移动侦测video display metafile视频显示元文件video signal generator视频信号发生器video semantic concept视频语义概念video traffic modeling视频流量建模Video Dial Tone System视频拨号系统video pre-processing视频预处理video and audio coding视音频编码video camera digitizer电视摄像数字化器,电视摄像数字化仪