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外媒曾放言:B-21可自由进出中国,并随意轰炸,中国完全拦不住?
诚然, B-2 和B-21轰炸机有着极强的隐身能力,但是这个隐身不是说它完全在 雷达 上消失了,而是通过降低自己的 RCS值(雷达散射截面积) ,尽可能的降低自己在敌方雷达上的可视面积。
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