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           _    _    ______    _    _     _  _   
  ____    | || | || |      \\ | || | ||  | \| || 
 |    \\  | || | || |  --  // | || | ||  |  ' || 
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 |_|`-`     `---`   `------`    `---`    `-` -`  
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發送短信 : Measuring Diffusion and Quenching in Microchannels