發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Carrier concentration saturation in n type AlxGa1-xAs