美国１９９１年“冷战”结束前。军用科技的巨大包袱使得美国科技发展无法轻装上阵。克林顿总统上台后，力主将科技工作重点从军用转向民用，大力发展信息高速公路等知识经济时代的支柱技术和产业。科技的发展使得美国经济近年来保持强劲的发展势头。美国公布２０００财政年度 The United States before the end of the “Cold War” in 1991. The huge burden of military science and technology makes the development of science and technology in the United States impossible. After President Clinton came to power, he advocated shifting the focus of science and technology from military to civilian use and vigorously developed the pillar technologies and industries in the era of knowledge-based economy such as the information superhighway. The development of science and technology has enabled the U.S. economy to maintain its strong momentum of development in recent years. United States announced fiscal year 2000