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            ______   _    _    _    _   __    __  
  ____     /_   _// | |  | || | || | || \ \\ / // 
 |    \\    -| ||-  | |/\| || | || | ||  \ \/ //  
 | [] ||    _| ||_  |  /\  || | \\_/ ||   \  //   
 |  __//   /_____// |_// \_||  \____//     \//    
 |_|`-`    `-----`  `-`   `-`   `---`       `     
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發送短信 : Easy knowledge engineering and usability evaluation of longan knowledge-based system