發送短信

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

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發送短信 : Reconstructions 3 × 3 and √3 × √3 on SiC(0 0 0 1) studied using RHEED