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自从美国从20世纪80年代初透露隐身飞机和新一代ATF先进战斗机研制计划开始,全球就慢慢陷入第四代战斗机的泥沼。
Since the United States from the early 1980s revealed the stealth aircraft and a new generation of ATF advanced fighter development plan began, the world slowly fell into the quagmire of the fourth generation fighter.