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改进改型目前战斗机的改进改型大体分两类:一类是第三代战斗机的改进改型。前面已经讲到,第三代战斗机普遍留有发展潜力,因而几乎每种第三代战斗机都有改进改型计划,有的通过改进改型使性能和作战效能明显提高,足以与“三代半”飞机对抗。另一类是第二代战斗机的改进,主要是为了提高性能以延长服役年限。由于改进改型的计划很多,这里只能简要介绍几种飞机的改进改型计划。 (1)Su-27战斗机
Improved retrofitting improvements to the current fighter jets generally fall into two categories: one is the third generation fighter improved retrofit. As mentioned earlier, the third-generation fighter jets generally have potential for development. Therefore, almost every third-generation fighter has improved its retrofitting plan. Some have improved performance and operational efficiency by improving retrofitting, "Aircraft confrontation. The other is the second generation fighter improvements, mainly to improve performance to extend the service life. As there are many plans to improve the retrofitting, only a few retrofit plans for the aircraft can be briefly introduced here. (1) Su-27 fighter