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一、问题的提出防空系统随着各类飞行器的提高而不断发展;其发展因素主要有二:一是空中目标本身飞行和攻击性能的提高向防空系统提出了新的要求,从客观上对防空系统的发展起到了巨大的推动作用;二是科学
First, the issue put forward Air defense system with the development of various types of aircraft continue to develop; its development are mainly two factors: First, the flight target itself and attack performance improvements to the air defense system put forward new requirements from the objective of air defense System development has played a huge role in promoting; second is science