發送短信 : Quantization and Arithmetic

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