在这种情况下,拍击,像鸟儿一样飞可能比螺旋桨推进飞行要好些。
Under these conditions, flapping, birdlike flight might well have some benefits over propeller-driven or helicopter flight.
“飞”攻击机是威斯特兰公司设计的最后一种固定翼飞机,是一种末代的螺旋桨战斗机。
The westland wyvern was the last fixed - wing aircraft design from the westland aircraft co . and was one of the last prop - driven fighters.
引入尾流收缩比因子,并将大速度时的涵道等效为圆形机翼,建立了一个适合于直升机悬停和前飞状态涵道尾桨气动特性分析的动量理论方法。
The shroud at high speed is modeled as an elliptic wing in order to construct a momentum theory method to investigate the aerodynamic characteristics of ducted tail rotor in hover and forward flight.
在七月流火的日子里,出了多少汗已经记不得了,飞没有空调的单发螺旋桨飞机不是件容易的事情哦!
It's not a comfortable job to fly single prop airplane on such hot days in july.
在七月流火的日子里,出了多少汗已经记不得了,飞没有空调的单发螺旋桨飞机不是件容易的事情哦!
It's not a comfortable job to fly single prop airplane on such hot days in july.
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