發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : RF study and 3-D simulations of a side-coupling thermionic RF-gun