| 摘要 |
An air vehicle having an elongated body structure, which has an aft portion and an arch wing device that is coupled to the aft portion of the body structure. The arch wing device includes a lower wing, which has a swept back leading edge and a swept back trailing edge, an upper wing, which has a swept back leading edge and a swept back trailing edge, and a pair of interconnecting portions that couple each of the opposite outboard lateral edges of the upper wing to an associated outboard lateral edge of the lower wing.
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