發送短信 : System identification of aerodynamic derivatives for VTOL UAV

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