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1广播电视覆盖网广播电视是通过无线电波、金属导线或光导纤维和人造卫星等媒介向广大地区传送声音和图像节目的大众传播媒体,是党和国家联系群众的最有力、最便捷、最普及的现代化宣传渠道,教育和文化娱乐的工具;是保证国家政令畅通,构建和谐社会的重要信息载体。在今年5.12四川汶川大地震
1 radio and television coverage Radio and television broadcasting through the radio waves, metal wires or fiber optic and satellite and other media to the vast areas of voice and video programs to send mass media, is the party and the state contact with the masses of the most powerful, most convenient and most popular Modern propaganda channels, education and culture and entertainment tools; is to ensure the smooth flow of government decrees, building a harmonious society, an important information carrier. This year 5.12 Wenchuan earthquake in Sichuan