發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Implementation and control of a high gain DC-DC converter based on an active switched-inductor and passive switched-capacitor networks