發送短信 : Nonlinear control of autonomous underwater vehicle in shallow water environment

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