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bianyi1
- 词法分析器。根据所给文法是进行词法分析和语法分析的依据，并将该文法中涉及到的单词信息提取到了单词符号与种别对照表中。-Lexical analyzer. According to the grammar is lexical analysis and syntax analysis is based on and related to the word grammar in information extraction to other kinds of symbols and words in