近些年来,广播业在一些新兴的发达国家和一些处在经济转型期的发展中国家,正面对着电视业的巨大挑战(在工业化国家这种挑战并不明显,广播业仍很十分繁荣)。广播界在不断开发和利用卫星及数字技术以推动自身发展的同 In recent years, the broadcasting industry has faced the huge challenge of the television industry in some newly developed countries and some developing countries with economies in transition (the challenge is not obvious in the industrialized countries and the broadcasting industry is still very prosperous) . The broadcasting community is constantly developing and utilizing satellite and digital technologies to promote its own development