發送短信 : Aerodynamic measurements of an airfoil with a spoiler

 _    _      ___                _____     _____   
| || | ||   / _ \\      ___    |  ___||  /  ___|| 
| || | ||  / //\ \\    /   ||  | ||__   | // __   
| \\_/ || |  ___  ||  | [] ||  | ||__   | \\_\ || 
 \____//  |_||  |_||   \__ ||  |_____||  \____//  
  `---`   `-`   `-`     -|_||  `-----`    `---`   
                         `-`