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  _____    _    _    _____       ___              
 /  ___|| | || | || |  __ \\    / _ \\      ___   
| // __   | || | || | |  \ ||  | / \ ||    /   || 
| \\_\ || | \\_/ || | |__/ ||  | \_/ ||   | [] || 
 \____//   \____//  |_____//    \___//     \__ || 
  `---`     `---`    -----`     `---`       -|_|| 
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發送短信 : Design and optimization of Frequency Selective Surfaces (FSS)