發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Chapter 6 Scratching of polymers: Deformation mapping and wear modeling