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

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發送短信 : Investigation of negative refraction property for a compact LHM with broad bandwidth