By supporting on the platform of wireless network communication combined with audio, visual, data, the port MIS spreads the mobile computer terminals into the operation site of port front.
使得港口经营业务管理信息系统（MIS）在语音、视频和数据三合一的无线网络通讯平台上，将移动计算机终端拓展到港口码头前沿的作业现场。
The audio communication based on IP network has offered a new convenient but low-cost approach to helping people communicate each other over long distances.
基于IP网络的语音通信方式为人们的远距离交流提供了一种价格低廉的途径。
News agency supposes information release centre, video audio-visual center, picture center, mass communication network, etc.
通讯社下设信息发布中心、视频音像中心、图片中心、大众传播网等。
Viewphone is a kind of video communication terminal that base on point to point, it makes use of current telephone network to transmit real-time bi-directional video and audio.
可视电话就是一种点到点的多媒体通信平台，它能实时双向传输通话双方的图像和语音信号。
Network video conference system is the communication system, where participants of the conference can transfer video, audio and words through Internet.
网络视频会议系统是多个与会者通过网络传输图像、声音、文字等信息，来实现异地会议的一种通信系统。
Network video conference system is the communication system, where participants of the conference can transfer video, audio and words through Internet.
网络视频会议系统是多个与会者通过网络传输图像、声音、文字等信息，来实现异地会议的一种通信系统。
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