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50岁的中国电视,成功与教训、曲折与艰辛,在各类节目发展中都刻下深深的印记。科技节目的成长尤其清楚地显示着科学、科普节目与电视发展的密切关系。电视传播繁荣有多种标志,商业化、娱乐化的畸形发
50-year-old Chinese television, success and lessons learned, twists and turns and hardships, in all kinds of programs are engraved in the deep imprint. The growth of science and technology shows especially closely the close relationship between science, science programs and television. There are many signs of television broadcasting and prosperity, commercialization, entertainment freak hair