ACCORDING to a much-reported survey carried out in 2002, Britain then had 4.3m closed-circuittelevision (CCTV) cameras-one for every 14 people in the country.
根据2002年公布的统计数字，英国拥有430万个闭路电视监控器，平均每14个英国公民就拥有一个。
2
IP cameras are most often used for IP surveillance, a digitized and networked version of closed-circuittelevision (CCTV).
IP摄像机通常用于IP监测、数字化和网络化的版本的闭路电视(CCTV)。
3
On a typical day in a big city you may be filmed by hundreds of closed-circuittelevision (CCTV) cameras.