發送短信

數:

提供者:

CAPTCHA:

  _  __   __   __   __   __    _____     _  _   
 | |/ //  \ \\/ //  \ \\/ //  |  ___||  | \| || 
 | ' //    \ ` //    \   //   | ||__    |  ' || 
 | . \\     | ||     / . \\   | ||__    | .  || 
 |_|\_\\    |_||    /_//\_\\  |_____||  |_|\_|| 
 `-` --`    `-`'    `-`  --`  `-----`   `-` -`

Please enter what you see:

發送短信 : Virtual reality applications for collaborative decision-making : a study of the upstream oil and gas industry.