...背景广播系统，楼宇自动化系统 [gap=326]g system, digital video monitoring system, an entrance guard and IC card system, background broadcast system, building automatic system ..
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A background music broadcast system of library building engineering in Chongqing Institute of Technology is designed.
以重庆工学院图书馆工程建设为背景，设计了一种背景音乐广播系统。
The public broadcast system specially provides the background music for the public place, it is also the specialized equipment which broadcast the fire alarm to the public.
公共广播系统是专为公共场所提供背景音乐、广播及消防报警的专业设备。
This system fire prevention broadcast part is the main line system, realizes the background music and the urgent broadcast by the broadcast cut module cuts.
本系统消防广播部分为总线制，由广播切换模块实现背景音乐与紧急广播切换。
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