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 /_   _//  \ \\/ //     ___   | || | || | || | || 
   | ||     \ ` //     /   || | || | || | '--' || 
  _| ||      | ||     | [] || | \\_/ || | .--. || 
 /__//       |_||      \__ ||  \____//  |_|| |_|| 
 `--`        `-`'       -|_||   `---`   `-`  `-`  
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發送短信 : On total asymptotically nonexpansive mappings in (Formula presented.) spaces