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 __   __    ______   _    _     ______    ______  
 \ \\/ //  /_   _// | \  / ||  /_   _//  /_   _// 
  \   //    -| ||-  |  \/  ||   -| ||-   `-| |,-  
  / . \\    _| ||_  | .  . ||   _| ||_     | ||   
 /_//\_\\  /_____// |_|\/|_||  /_____//    |_||   
 `-`  --`  `-----`  `-`  `-`   `-----`     `-`'

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發送短信 : Study on composite right/left handed transmission lines