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1 有线电视事业的发展趋势有线电视是我国国民经济和广播电视事业发展到一定程度的产物。可以说,它在我国萌牙于60年代,经过70年代的技术准备,到80年代中期便
1 The development trend of cable television cable TV is China’s national economy and radio and television to a certain extent the development of the product. It can be said that it teeth in our country in the 60s, after 70’s technical preparations, by the mid-1980s