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

 __   _      ___      ______    ______    ______  
| || | ||   / _ \\   /_   _//  /_   _//  /_   _// 
| '--' ||  | / \ ||  `-| |,-    -| ||-     | ||   
| .--. ||  | \_/ ||    | ||     _| ||_    _| ||   
|_|| |_||   \___//     |_||    /_____//  /__//    
`-`  `-`    `---`      `-`'    `-----`   `--`