發送短信

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

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發送短信 : A class of repeated-root constacyclic codes over F<inf>p<sup>m</sup></inf>[u]/〈u<sup>e</sup>〉 of Type 2