1997年9月7日,世界上第一种第四代战斗机——美国的F-22成功地进行了首飞,在世界战斗机发展史上掀开了新的一页.目前,有的国家已在进行新一代战斗机的研制工作,有的国家已开始考虑“换代飞机” 的研制问题.笔者想就战斗机更新换代中的几个问题,谈点想法和看法. On September 7, 1997, the world’s first fourth-generation fighter aircraft, the F-22 of the United States, made its first successful flight and opened a new page in the history of the world fighter development. At present, some countries have been For the development of a new generation of fighter jets, some countries have begun to consider the development of “replacement aircraft.” I would like to talk about some issues in the replacement of fighter jets, talk about ideas and opinions.