發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Diffraction from relief gratings on a biomimetic elastomer cast