The wings of projectile provide the lift, control the direction and keep the stability of flying.

翼起到提供升力 、 控制飞行方向、实现稳定飞行等作用.

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This paper presents an approach to the direct lift control characteristics on the joined wing configuration.

头部鸭翼的增加进一步提高和改善了联接翼布局的直接升力特性.

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