一个脚本引擎通常包括的组件有：符号表、词法分析器、语法分析器、语义检查器、中间代码生成器、代码优化器、代码生成器、虚拟机。
The script engine has some components, include symbol table, lexical analyzer, parser, semantic checker, intermediate code generator, optimizer, code generator, virtual machine.
该语法分析器有四个部件组成，分词程序、词法分析、语法分析和语义预置。
There are four components of the parser, word process, lexical analysis, syntax analysis and semantic preferences.
是基于一定语义分析的、以定子句文法作为描述工具的汉语句法分析器，能分析比较复杂的汉语句子。
SYNAC is a syntactic analyzer based on some semantic analysis, which USES Definite Clause Grammar as its expressing tool. It can process more complicate sentences.
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