發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : A novel Ka band sliding IF transmitter for satellite communication