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

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發送短信 : Determination of hot-wire position from a solid wall in an opaque channel