A rule-based translation program uses a lexical database, which includes all the words you'd find in a dictionary and all grammatical forms they can take, and set of rules to recognize the basic linguistic elements in the input language.

一个基于规则的翻译系统所用的词义数据，包括你能在字典上找到的所有单词和所有能够使用的语法形态，并且得有一套规则能够区分输入语言的基本语言成分。