村内每一座大楼的出入口、电梯大堂等主要公共区域设有闭路电视、摄像系统及报警系统。
Village every building entrance, elevator lobbies main public areas are closed-circuit television, camera systems and warning systems.
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。
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.
应用推荐