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

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發送短信 : Design of a communication system for multi-mobile robot coordination