目录第1章工程概述......................................................................................................................................31.1工程建设目标...................................................................................................................................41.2系统设计技术标准及规范...............................................................................................................41.3系统设计原则...................................................................................................................................41.3.1先进型原则...............................................................................................................................41.3.2实用性原则...............................................................................................................................41.3.3可扩充性、可维护性原则.......................................................................................................41.3.4经济型原则...............................................................................................................................41.4工程概况...........................................................................................................................................51.5系统设备选型原则...........................................................................................................................5第2章系统功能及产品选型..................................................................................................................62.1概述...................................................................................................................................................62.2系统组成...........................................................................................................................................62.3按系统叙述功能...............................................................................................................................62.3.1大屏幕投影显示系统...............................................................................................................62.3.1.1系统功能...........................................................................................................................62.3.1.2设备选型...........................................................................................................................72.3.1.2.1投影机........................................................................................................................................72.3.1.2.2投影屏幕....................................................................................................................................92.3.2数字会议系统.........................................................................................................................102.3.2.1系统功能.........................................................................................................................112.3.2.2系统图.............................................................................................................................122.3.2.3设备选型.........................................................................................................................122.3.2.3.1数字会议主机...............