反角。那更有趣,因为感觉很不同。
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.
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.
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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