發送短信 : Design, analysis and verification of hexagon split ring resonator based negative index metamaterial

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