發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Excitation of a single atom with a temporally shaped light pulses