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  ______    _____                ___      ______  
 /_   _//  |  ___||   ____      / _ \\   /_   _// 
   | ||    | ||__    |    \\   / //\ \\  `-| |,-  
  _| ||    | ||__    | [] ||  |  ___  ||   | ||   
 /__//     |_____||  |  __//  |_||  |_||   |_||   
 `--`      `-----`   |_|`-`   `-`   `-`    `-`'   
                     `-`

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發送短信 : Design of an optical meter