类库在编译程序的面向对象构造过程中起重要作用，词法分析类库是编译类库的重要组成部分。

Class library plays the vital role in the construction of compiler by object-oriented method and lexical analysis class library is an important part of object-oriented compiling class library.

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使用LR分析表的词法分析器，统一了词法分析器和语法分析器的构造方法，简化了编译程序的设计和构造。

The lexical analyzer using the LR parsing table unifies the construction method of lexical analyzer and syntax analyzer, simplifies the design and construction of compiler.

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基于上述理论，作者构造了编译程序生成系统BSX。

Based on the theory, a compiler generating system BSX is constructed.

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