短語詞組短語permutation of code 代碼重組permutation ? code 置換碼permutation U code 置換碼permutation sequence code psc 碼permutation E code 置換碼permutation code switching system [計(jì)]置換碼交換系統(tǒng)permutation code detail 置換解碼permutation code encryption algorithm 排列碼加密解密算法color permutation code 彩色組郃編碼 返回 permutation code