發送短信

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

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發送短信 : Generalized composite nonlinear feedback control technique to track non-step references