發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Roughening behavior in Si/SiGe heterostructures under O2 + bombardment