發送短信 : The origin of sub-bands in the Raman D-band of graphene

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