發送短信

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CAPTCHA:

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

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發送短信 : Predicting high-level student responses using conceptual clustering