發送短信 : Deep-subwavelength interface states in mechanical systems

  ____     __   __              ______   _    _   
 |  _ \\   \ \\/ //   ____     /_   _// | \  / || 
 | |_| ||   \ ` //   |    \\    -| ||-  |  \/  || 
 | .  //     | ||    | [] ||    _| ||_  | .  . || 
 |_|\_\\     |_||    |  __//   /_____// |_|\/|_|| 
 `-` --`     `-`'    |_|`-`    `-----`  `-`  `-`  
                     `-`