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Chinese entities filed for 530 camera and video surveillance patents last year - more than five times the number applied for in the US - as the country ramps up facial recognition technologies and social monitoring. 随着中国面部识别和监控技术的提高，去年中国的实体提交了530项与摄像头和视频监控相关的专利申请，是美国同类专利申请数量的5倍多。 According to CB Insights, which tracked patents on the Espacenet database, China's patent filings compare with just 96 in the US. 技术咨询公司CB Insights对欧洲专利数据库进行追踪后发现，与中国相比，美国去年申请的此类专利仅为96项。 China also filed more than 900 facial recognition patents, the tech consultancy found. 此外，中国还申请了900多项面部识别专利。 | 
