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

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發送短信 : Chaos synchronization via multivariable PID control