The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

 
  • 这个小组还注意到,翼根附近铰接的副翼,被称为小翼的,对翼成直角配置,它可能被用来作为空气流量控制装置。
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