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

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發送短信 : Tool monitoring system for end-milling process using an MEMS accelerometer, PC sound card and a personal computer