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             ___      _____    __   __    ______  
  ____      / _ \\   / ____||  \ \\/ //  /_   _// 
 |    \\   / //\ \\ / //---`'   \ ` //   `-| |,-  
 | [] ||  |  ___  ||\ \\___      | ||      | ||   
 |  __//  |_||  |_|| \_____||    |_||      |_||   
 |_|`-`   `-`   `-`   `----`     `-`'      `-`'   
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發送短信 : Optimal arrangement of meta-atoms composing metamaterials