The development of aerospace depends chiefly on advanced material and technology. The appearance of new composite material is the fundamental assurance of high performance,high reliability and low cost for aerospace industry.

• 发展航空航天技术主要依靠先进的材料和技术,新型复合材料的出现是航空航天工业实现高性能、高可靠性、低成本的基础保证。