Central air conditioner, automatic fire alarm, closed circuit TV watching system, communication network, public broadcasting and cable TV are all available in the exhibition hall.
展览大厅配有中央空调、自动火警、闭路电视、通讯网络、广播和有线电视。
The part of the light current mainly including: CATV, Public Broadcasting System, Closed Circuit Monitoring TV and Premises Distribution System and so on.
弱电部分主要内容包括：有线电视、公共广播系统及综合布线系统的设计。
The company also engages in research and development of multi-media closed-circuit-television teaching system, multimedia classroom equipment and cable TV system for education industry.
在教育行业专门从事多媒体闭路电视教学系统、多媒体教室设备的研制开发以及专业经销有线电视系统设备的高科技股份制公司。
The company also engages in research and development of multi-media closed-circuit-television teaching system, multimedia classroom equipment and cable TV system for education industry.
在教育行业专门从事多媒体闭路电视教学系统、多媒体教室设备的研制开发以及专业经销有线电视系统设备的高科技股份制公司。
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