發送短信

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

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發送短信 : Case study of Nanyang Polytechnic's course management system