發送短信

數:

提供者:

CAPTCHA:

             ___      ____      _____      _____  
  ____      / _ \\   |  _ \\   |  ___||   / ___// 
 |    \\   | / \ ||  | |_| ||  | ||__     \___ \\ 
 | [] ||   | \_/ ||  | .  //   | ||__     /    // 
 |  __//    \___//   |_|\_\\   |_____||  /____//  
 |_|`-`     `---`    `-` --`   `-----`  `-----`   
 `-`

Please enter what you see:

發送短信 : Novel zero-current-switching current-fed half-bridge isolated DC/DC converter for fuel-cell-based applications