随着电子技术的发展,特别是计算机网络的发展,人们对安全技术防范的要求也越来越高。为了打击各种各样的经济、刑事犯罪,保护广播电视的正常运行和人民群众的生命财产安全,采用高科技手段预防和制止各种犯罪将会成为安全防范领域的发展方向。为了广电系统重点场所、要害部位的 With the development of electronic technology, especially the development of computer network, the demand of people for the prevention of security technology is also getting higher and higher. In order to combat all kinds of economic and criminal crimes, and to protect the normal operation of radio and television and the lives and property of the people and the masses, using high-tech means to prevent and stop all kinds of crimes will become the direction for the development of security and prevention. In order to radio and television system key places, key parts