China Education and Research Network (CERNET) construct and realize the multicast based video conference system on CERNET backbone and make it the communication platform for CERNET nodes.
中国教育和科研计算机网(CERNET)在全国主干节点上构建和实现了组播视频会议系统，成为全国教育网各节点的视频会议交流平台。
Nowadays, communication architectures for remote multimedia conference system mainly include centralized communication architecture and fully distributed communication architecture.
目前，多媒体会议系统的通信结构主要分为两种：集中式通信结构和全分布式通信结构。
With rapid development of the Large Scale Integrated circuit and wireless communication technology, people no longer satisfied with the conference system made by one microphone and two sound boxes.
随着大规模集成电路和无线通信技术的飞速发展，人们不再满足过去那种一只话筒、两个音箱的会议模式。
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