發送短信 : Design and sizing eVTOL aircraft (flight physics and flight simulation)

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|  __ \\    / _ \\   |  _ \\   |  ___||  |  _ \\  
| |  \ ||  | / \ ||  | |_| ||  | ||__    | |_| || 
| |__/ ||  | \_/ ||  | .  //   | ||__    | .  //  
|_____//    \___//   |_|\_\\   |_____||  |_|\_\\  
 -----`     `---`    `-` --`   `-----`   `-` --`