發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Highly convergent focusing of light based on rotating dipole polarization