随着我国改革开放的进一步发展,电视广播事业亦得到了很大的发展,除中央电视台有自办频道节目十余套外,全国各大中小城市亦都有自办节目频道1～2套,而且各大省会城市的电视节目上了卫星。有线电视(CATV)事业发展很快,到目前为止,已遍布全国各大中小城市及县乡镇,并且通过光缆等主干线,实现了 With the further development of China’s reform and opening up, the cause of television broadcasting has also been greatly developed. In addition to more than 10 sets of CCTV programs run by its own channels, major cities in China have also set up 1 to 2 sets of channels for running their own programs, And major provincial capitals television programs on the satellite. Cable television (CATV) business has developed rapidly, so far, has been all over the country in small and medium cities and counties and towns, and through the optical fiber and other main lines, to achieve