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

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發送短信 : Application of left-handed media in distributed amplifiers