验证试验

First of all lets kill some preconceived ideas on the aerodynamic effect of the brake controls by remembering the basic rules acting on airfoils, which have been experimentally determined by great people like Otto Lilienthal and theoretically proven by mathematicians such as Joukowsky.

首先我们需要抛弃我们自己所有的先前对于刹车的气动力作用的理解，仅仅记住作用于翼型上的最基本的原理――这些由伟大的先驱们如 Otto Lilienthal （奥托·李林塔尔(1848-1896)用试验证明，理论上由Joukowsky 使用数学方法所验证的理论。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。