The modern buildings should possess the function of automatic fire detection, automatic alarm, automatic control.

现代建筑要具备一定的火灾自动检测、自动报警、自动控制功能。

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Gas sensor is widely applied in environment detection, fire safety alarm, food and chemical industry.

气体传感器在环境检测、火灾与安全报警系统以及食品化工中具有广泛应用。

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This thesis focuses on the tunnel environment, video-based intelligent fire detection fire alarm system design process of issue records, also made of the core algorithm improvements.

本论文主要对隧道环境下基于视频的火灾火焰探测智能报警系统的课题设计过程进行了记录，还对核心算法作了探讨性改进。

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False alarms generated by automatic fire alarm and fire detection systems account for more than 40, 000 of call outs every year, making up a third of all incidents for fire crews in London.

BBC: London Fire Brigade may recoup ?1.3m from false alarm calls