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1 概述 广播电视信息网是国家信息基础设施的三大网络之一,是具有高科技水平、强大的广播电视信息传输覆盖系统。 经过建国以来四十八年的发展,中国已经是世界上的广播电视大国,基本上建成了一个有线与无线相结合、卫星与地面相结合、城市与农村相结合、对内宣传与对外宣传相结合的现代化的广
1 Overview Radio and television information network is one of the three major national information infrastructure networks, is a high-tech, powerful coverage of radio and television information transmission system. After forty-eight years of development since the founding of the People’s Republic of China, China has become a big radio and television country in the world. Basically, it has built a combination of wired and wireless, combining satellite with the ground, combining urban and rural areas, combining internal propaganda with publicity Modern wide