【摘要】 介绍点点结构、网状结构和树结构视频会议组会模式技术特点,及在地震应急中存在的问题;结合地震应急视频会议系统发展需求及在不同应用状态(单点连接、多省连接、市县连接、现场连接及应急演练)下的实际应用效果,探讨星形结构和两级树结构在地震应急视频会议中的技术优势,指出现有地震应急视频会议系统平台技术瓶颈及可能解决途径。更多还原

【Abstract】 This essay explained the point-to-point structure,net structure and tree structure patterns of video conference system in earthquake emergency and further illustrated the disadvantages of them.By considering the developing demands in quick-response after earthquake and the actual effectiveness of the point to point structure,star structure and two-layer tree structure patterns in kinds of situation,we explained the advantages of them.Besides,we discussed the technical obstacle of the national earthquake emergency video conference system,and gave some possible solutions.更多还原