火灾探测器所提供的早期预警功能让人们能够在火灾发生前便得到报警提示,同时为人员的疏散与逃生争取了时间。然而,令人烦恼的误报就是另一回事了。2014年,美国消防局对近250万次火警误报做出了响应,这几乎是当年在案火灾总数的2倍,是建筑火灾总数的5倍。这些误报有许多是触发于公寓楼、酒 The early warning provided by the fire detectors allows people to be alerted before a fire breaks out and at the same time gain time for evacuation and escape. However, annoying false positives is another story. In 2014, the U.S. Fire Department responded to nearly 2.5 million firefighting false alarms, almost double the total number of fires in that year and five times the total number of building fires. Many of these false positives are triggered in the apartment building, wine