在重庆市公共安全方面，打黑的效果立竿见影，例如，报警量急速下降了40%，不过这属于临时性的，其效果不太可能持续长久。
The crackdown has had an immediate impact on public safety in Chongqing - calls to police are down 40%, for instance - but its temporary nature means that the results are unlikely to be permanent.
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.
烟感报警器：每间客房及公共区域均设有烟感报警器。
Smoke Detector: Each room and public area is equipped with a smoke detector.
你应该报警，在公共场所不能打架。
You should have called the police instead of fighting in 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。
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。
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.
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