發送短信 : Disturbance attenuation with multi-sensing servo systems for high density storage devices

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