發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Bandgap-opened bilayer graphene approached by asymmetrical intercalation of trilayer graphene