军用飞机是非常昂贵的常规武器装备,它的研制和采购需要巨额资金.各国对于已研制成功的军用飞机,在生产和使用过程中总是不断地想方设法挖掘其潜力、改善其效能以提高其综合作战能力,特别是利用高新技术改造现有军用飞机,即我们通常所说的军用飞机的改进改型,是国内外广泛采用的改善军用飞机装备的重要途径.当前,在冷战结束、各国军费削减的新形势下, Military aircraft are very expensive conventional weapons and equipment, and their development and procurement require huge amounts of capital. Countries are constantly trying to find potential and improve their effectiveness in the production and use of military aircraft that have been successfully developed Combat capabilities, especially the transformation of existing military aircraft using high-tech, that is, what we commonly call military aircraft, are an important means of improving military aircraft and equipment widely used both at home and abroad. At present, at the end of the Cold War, Under the new situation,