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...
Now a rash of scruffy little shops bordered one side of the street.现在街道的一边排满了各种破旧的小店。...one of the few major airlines left untouched by the industry's rash of takeovers...没有受到行业内大量收购风波波及的少数几个重要航空公司之一Advancing years ...