發送短信

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| // __   | || | ||    /   ||   -| ||-    \___ \\ 
| \\_\ || | \\_/ ||   | [] ||   _| ||_    /    // 
 \____//   \____//     \__ ||  /_____//  /____//  
  `---`     `---`       -|_||  `-----`  `-----`   
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發送短信 : Verification, Model Checking, and Abstract Interpretation