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China has begun rolling out new surveillance software capable of recognising people simply by the way that they walk. 中国开始推出新型监控软件，它只需要监测人们走路的方式就能识别个人身份。 The "gait recognition" technology, developed by Chinese artificial intelligence firm Watrix, is capable of identifying individuals from the shape and movement of their silhouette from up to 50 metres away, even if their face is hidden. 这种“步态识别”技术是由中国人工智能公司银河水滴科技公司（Watrix）研发的。即使行人的面部被遮住了，它也可以根据50米以内行人影子的形状和活动识别个人身份。 The system is currently being used by police in Beijing and Shanghai and adds to the country's formidable surveillance network that includes an estimated 170 million CCTV cameras. 目前北京和上海警方已经在使用这套系统，而且它还被装入中国强大的监控网络中，可以覆盖近1.7亿个监控摄像头。 The software can be used on footage from standard surveillance cameras, however it does not currently work in real-time. Instead, the footage is analysed once it is recorded, which takes approximately 10 minutes. 该软件可以监测标准监控摄像头的连续镜头，不过它并非即时生效，而是通过分析纪录下来的影像来得出结果，这需要大约10分钟的时间。 | 
