發送短信 : Limits of disturbance rejection using indirect control

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 | [] ||     | ||    | [] ||    _| ||_  | |__/ || 
 |  __//     |_||    |  __//   /_____// |_____//  
 |_|`-`      `-`'    |_|`-`    `-----`   -----`   
 `-`                 `-`