８０年代以来，美国联邦政府适应形势变化和世界经济发展趋势，以产业技术为重点，调整、完善美国的国家技术政策，在以知识为基础的新经济体系的形成和发展中起到了关键的推动作用 Since the 1980s, the federal government in the United States has adapted to the changes in the situation and the world economic development trend. With industrial technologies as its focus, the federal government in the United States has adjusted and perfected the U.S. national technology policy and played a key role in the formation and development of a new knowledge-based economy effect