Say simply, video conference system including video conferencing terminals, multipoint meeting controller MCU, network management software and transmission network four parts.
简单地说，视频会议系统包括视频会议终端、多点会议控制器mcu、网络管理软件和传输网络四部分。
The system, which consists of one body module and a number of extension modules, achieves one point-to-multipoint data transmission based on master-slave mode.
系统由一个PL C本体模块和多个PLC扩展模块组成，实现了主从模式的一点对多点的数据传输。
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