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2005年7月7日,伦敦地铁6个车站在上班高峰时几乎同时发生大爆炸,导致重大人员伤亡。在调查过程中,警方惊奇地发现,其实所有的嫌犯均在视频监控系统中留下图像记录,但是,爆炸还是发生了。这背后的技术因素值得安防界人士思索和探讨……
On July 7, 2005, almost 6 large-scale high-speed explosions occurred at the same time in the rush hour of London’s six subway stations, causing heavy casualties. During the investigation, the police were surprised to find that in fact all the suspects left their video records in the video surveillance system. However, the explosion happened. The technical factors behind this are worth pondering and discussing by the security community ...