试想一位哲学家却从相反角度论证这件事。

But you can imagine a philosopher arguing in the opposite way.

youdao

上反角，机翼基准面与水线之间的夹角。

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

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上反角，机翼基准面与水线之间的夹角。

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

youdao