發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : An ERS-1 synthetic aperture radar image of a tropical squall line compared with weather radar data