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 ______    __   __   _    _     ______    ______  
|      \\  \ \\/ // | \  / ||  /_   _//  /_   _// 
|  --  //   \ ` //  |  \/  ||   -| ||-   `-| |,-  
|  --  \\    | ||   | .  . ||   _| ||_     | ||   
|______//    |_||   |_|\/|_||  /_____//    |_||   
`------`     `-`'   `-`  `-`   `-----`     `-`'

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發送短信 : Non-negative semi-supervised learning