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

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發送短信 : Parton branching model for pp» collisions