感谢各位读者长期以来对《民用飞机设计与研究》期刊的关心和帮助。2017年5月5日,承载着国人梦想的C919大型客机成功首飞,标志着大型客机项目取得重大突破。这是以习近平同志为核心的党中央坚强领导、亲切关怀下取得的重大成就,也是历经几代航空人的不懈追求、艰辛探索取得的重大成果。 Thank you for your long-term concern and assistance to Journal of Civil Aircraft Design and Research. On May 5, 2017, the successful C919 passenger plane carrying the dream of the Chinese people made its first flight, marking a major breakthrough in the construction of large passenger aircraft. This is a major achievement made by the party Central Committee with Comrade Xi Jinping as the core and with the cordial concern and care it has made. It is also a major achievement that has been arduously explored through the unswerving pursuit of generations of aviation people.