DIHEDRAL, the Angle between the wing reference plane and water line.

上反角，机翼基准面与水线之间的夹角。

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This occurs at one angle of attack for the same wing loading of a paraglider.

这种情形会发生于飞行伞的翼负载相当于攻角时。

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This occurs at one angle of attack for the same wing loading of a paraglider.

这种情形会发生于飞行伞的翼负载相当于攻角时。

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