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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