The composition, classification and application of a video-conferencing system are expounded, and problems needing attention in the system application are analysed.
阐述了会议电视系统组成、分类及其应用，并分析了会议电视系统应用中应注意的问题。
This paper introduces system composition, equipment classification and capability characteristics, and how to improve its application efficiency.
文章结合实践介绍了虚拟演播室的系统组成、设备分类和性能特点，以提高其应用效率。
Objectives: To research the composition and technical methods of long-distance support system for classification treatment of battlefield wounds.
目的：研究战创伤分级救治远程支持系统的组成和技术手段。
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