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

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發送短信 : Protection circuit design of wireless power transfer systems