發送短信 : Metric spaces under interval uncertainty: Towards an adequate definition

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