發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Buckling of pre-twisted threads embedded in a soft matrix