航空航天工业产业链长、辐射面宽、连带效应强,在国民经济发展和科学技术进步中发挥着重要作用。以大飞机而言,就能够带动新材料、现代制造、先进动力、电子信息、自动控制、计算机等领域关键技术的群体突破,能够拉动众多 The industrial chain in the aerospace industry has a long and radiant surface with strong joint and several effects and plays an important role in the development of the national economy and in the progress of science and technology. In the case of large aircraft, they can bring about a breakthrough in key technologies such as new materials, modern manufacturing, advanced power, electronic information, automatic control, computers and so on,