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11 天
从仿制到创新,苏-27如何促进中国航空工业的发展
新中国成立初期我国靠仿制苏联军机,才有了歼-5、歼-6和歼-7三款喷气式战机。1990年之后我国又从俄罗斯引进了苏-27战机,并发展成了今天庞大的歼-11家族。那么当时我国为什么能以优惠的价格获得这么先进的战斗机,引进苏-27让中国航空工业得到了多少 ...
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