电子辞典查找英文单词，使用起来相对很方便，可以查找英文单词，也可以查找汉字，进行翻译，但必须有词库-Find English electronic dictionary word, it is relatively easy to use, you can find English words, you can also find Chinese characters, for translation, but there must thesaurus

Vigenere 密码解密。先根据密文确定密钥长度，再根据英语单词出现频率确定密钥，在翻译-Vigenere password decryption. According to the first cipher key length is determined, then the frequency of occurrence is determined based on the key English words in the translation