这揭示了为什么翼部没有长出无名指。

This meant the wing did not have a ring finger.

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弧形冠部设计，刀翼式分布。

Arc crown profile, blade cutter setting.

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翼梢小翼影响一部分名为诱导阻力的阻力。

Winglets affect the part of drag called induced drag.

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翼梢小翼影响一部分名为诱导阻力的阻力。

Winglets affect the part of drag called induced drag.

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