發送短信

數:

提供者:

CAPTCHA:

  _____      ___      ______   __   __            
 / ____||   / _ \\   /_   _//  \ \\/ //   ____    
/ //---`'  | / \ ||    | ||     \ ` //   |    \\  
\ \\___    | \_/ ||   _| ||      | ||    | [] ||  
 \_____||   \___//   /__//       |_||    |  __//  
  `----`    `---`    `--`        `-`'    |_|`-`   
                                         `-`

Please enter what you see:

發送短信 : BOUNDS AND CONSTRUCTIONS OF ERROR-CORRECTING CODES FOR THE ASYMMETRIC CHANNELS