發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Measurement of thermospheric temperatures using OMTI Fabry-Perot interferometers with 70-mm etalon