ogee wing

negative sweep (指机翼或弹翼) 前伸角

nose line (各级踏步凸缘或前缘的连线) 梯段坡度线

Vieussen's annulus (卵圆窝缘) 维厄桑氏环

Waldeyer's glands (睑缘内汗腺) 瓦耳代尔氏腺

and that's that 就这样定了,不必多讲了

that's that 就这样

that's it 就这么简单,就这样

That's it 对,是这样!

That's that 如此而已,就是那么回事

camber curvature (翼型) 中弧线弯度