The precision estimation of RCS is very important for aerocraft stealth design.目标RCS的精确计算和预估是飞行器隐身设计极其重要的一部分.High - speed reentry aerocraft is usually with terminal guidance system.高速 再入飞行器通常具有末制导系统.So the effect of unst...
I saw a head-on collision between two aeroplanes.我看见两架飞机迎面相撞。His one weakness, apart from aeroplanes, is ice cream.除了对飞机情有独钟，他还嗜好冰激凌。Aeroplanes are not inherently dangerous.飞机本身并不危险。Most countries refuse to give sanctuar...