Unesco has been overseeing a program of emergency repairs to the niches over the last few years, drawing teams of archaeologists and conservationists from all over the world. 联合国教科文组织过去几年来，徵召全世界好几支考古学家和保育人士密切监控紧急修复佛龛的计画。
The first part summarizes the analyses of the popular techniques in the visual surveillance field and the realizable schemes and common methods of designing an IP camera. 第一部分概括分析了当前视频监控领域的主要技术和网络摄像机的可能实现方案和系统设计的一般方法。
