飞机在天上转弯，跟开车不一样。开车只要转方向盘，飞机转弯需要倾斜。压杆让飞机倾斜，升力的水平分量提供向心力，飞机 …

1. Airfoil 翼型

Airfoil（翼型） is the cross-sectional shape of a wing as viewed from the side. In aerodynamic analysis, an airfoil is understood as a two-dimensional (2D) wing section — an infinite-span idealization that allows us to study pressure distributions, lift, drag, and moment characteristics without three-dimensional effects …