Adopting the method of corpus, this paper investigates lexical errors in 134 pieces of CET4 writing.
运用语料库的方法，调查了134篇大学英语四级写作语料中的词汇错误。
Text errors consist of lexical errors and grammar errors, and discourse errors incoherence and pragmatic errors.
数据中显示的错误主要集中在词汇、语法、语用和篇章方面。
Yet only the reference errors and lexical errors show significant trend of decline with the increase of grade levels.
随着年级的升高，衔接错误的数量有显著不同，特别是在指代错误和词汇错误上。
The words generated by international students only exist in the interlanguage but not in the target language, that is a main kind of lexical errors-lexical structural errors.
留学生在生成汉语时出现了汉语中不存在的词语，这是留学生词汇偏误的一种重要类型，即词语构造上的偏误。
Lexical analysis of the main tasks are: to scan source code character by character from left to right, resulting in one word (Token), also check the source of lexical errors.
词法分析的主要任务是：从左到右逐个字符地扫描源程序，产生一个个单词(Token)，同时检查源程序中的词法错误。
The checker framework involves configuration file management module, lexical and syntax checker module, semantic checker module and view errors module.
该工具主要分为配置文件管理模块、词法和语法检查模块、语义检查模块和配置错误查看模块四个部分。
The former cases represent design errors; the latter cases can often be corrected by making the lexical analyzer more powerful, or by rewriting some of the grammar rules.
前者会产生设计错误，后者一般能通过加强词法分析器来修复，或者重写其中一些语法规则。
The former cases represent design errors; the latter cases can often be corrected by making the lexical analyzer more powerful, or by rewriting some of the grammar rules.
前者会产生设计错误，后者一般能通过加强词法分析器来修复，或者重写其中一些语法规则。
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