| 单词 | polyalphabetic substitution |
| 释义 | polyalphabetic substitution /pol"ee al'feuh bet"ik, pol'ee-/, Cryptography. a system of substitution that mixes together a number of cipher alphabets in a cryptogram so that each plaintext letter is represented by a cipher that repeatedly changes. Cf. monoalphabetic substitution. [1935-40; POLY- + ALPHABETIC] |
| 随便看 |
|
英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。