發送短信

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

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發送短信 : Development of an indoor tracking system