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

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發送短信 : All-dielectric phase-change reconfigurable metasurface