發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Strain engineering in graphene by laser irradiation