航空运输系统对保持美国经济活力、提高公众生活质量和国家安全水平起着至关重要的作用,而且航宇工业长期以来对美国经济发展和贸易平衡做出了积极和重要贡献。鉴于美国在世界航宇工业领域的领先地位,尤其是在研究能力、技术专长以及民用飞机和空中交通管理系统等领域的领先地位正受到挑战,美国正在着手制订下一代民用航空优先研究计划,以确保其能继续保持这一技术领先地位。 Air transport systems are crucial to maintaining the viability of the United States economy, improving the quality of public life and national security, and the aerospace industry has long been a positive and significant contributor to the U.S. economy and trade balance. In view of the United States’ leading position in the world aerospace industry, especially its leadership in research capabilities, technical expertise, and civil aircraft and air traffic management systems, the United States is in the process of formulating the next generation of civil aviation priority research programs to To ensure that they can continue to maintain this technology leadership.