党的十五届五中全会提出：“科技进步和创新，是增强综合国力的决定因素。”这一科学论断在我国广播电视事业的发展历程中，得到了充分体现。刚刚过去的２０世纪最后２０年我国广播电视事业的变革证明，如果没有高新科技的应用，就不可能有广播电视事业今日的繁荣。 ２０年来， The Fifth Plenary Session of the 15th CPC Central Committee proposed: “Scientific and technological progress and innovation are the decisive factors in enhancing the overall national strength.” This scientific conclusion has been fully reflected in the development of the radio and television industry in our country. The past 20 years of the 20th century, the last 20 years of change in the cause of radio and television in our country proved that without the application of high technology, it is impossible for the prosperity of the radio and television industry today. For 20 years,