發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Security analysis and resilient control of discrete-event systems