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在军用飞机中,战斗机是装备数量最多,应用最广、发展最快的机种,最先进的航空技术一般都是首先应用在战斗机上。20世纪50年代初,喷气式战斗机已基本取代了活塞式战斗机,第一代超声速战斗机开始服役,至今已发展到第四代。第一代多是1.3～1.5倍声速(M1.3～1.5)的低超声速战斗机。代表机型有:美国的 F-100和苏联的“米格-19”等。第一代战斗机现已退役,但个别国家经过延寿还作教练机使用。
Among the military aircraft, fighter jets are the most equipped, the most widely used and the fastest growing aircraft models. The most advanced aviation technologies are generally first applied to fighter jets. In the early 1950s, jet fighters basically replaced piston fighter jets, and the first generation supersonic fighter jets began their service and have now reached the fourth generation. The first generation is mostly 1.3 to 1.5 times the speed of sound (M1.3 ~ 1.5) low-supersonic fighter. Representative models are: the United States F-100 and the Soviet Union’s “MiG -19” and so on. The first generation of fighters is now retired, but some countries have also used life extension trainers.