發送短信 : Design and implementation of reconfigurable intelligent surface control circuits

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