对应用于自由格式姓名和地址的解析与词法分析的模式，也可以应用于对产品清单或增强的库存控制部分进行标准化和重复项消除。
The same pattern that applies to parsing and lexical analysis of freeform names and addresses can be applied to standardize and de-duplicate product listings or parts for enhanced inventory control.
词法分析器是我们的语言知识中识别“这是一个句子；这是标点；t wenty - three是一个单一的词”的那一部分。
The lexer is the part of our language knowledge that says "this is a sentence; this is punctuation; twenty-three is a single word."
这一部分包括词法分析，语法分析，语义分析和生成目标代码四个部分。
This part contains accidence analyzing, phrasing analyzing, semantic analyzing and creating aim code.
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