几年前，美国电视机行业预计2000年圣诞节将是数字电视机最兴旺的销售季节。然而，美国消费者几乎没有兴趣，更糟的是相互竞争的有关行业不是控制市场以共渡难关，反而匆匆忙忙地保护各自的利益。一度吹嘘为美国电子工业救星的高清晰度电视（HDT）和数字电视（DT）已陷入政治和 A few years ago, the U.S. television industry expected Christmas in 2000 to be the most prosperous selling season for digital television. However, consumers in the United States have shown little interest in it. What is even worse is that instead of controlling the market to weather the storm, the competing industries concerned havetily rushed to protect their respective interests. High-definition television (HDT) and digital television (DT), once boasted of the savior of the U.S. electronics industry, have fallen into political and