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

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發送短信 : On b-spline framelets derived from the unitary extension principle