發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : A compact coupling controllable elliptical filter based on multilayer LTCC