發送短信

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

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發送短信 : Optimal feature selection for learning-based algorithms for sentiment classification