We chose a few of the commonest lexical items in the languages.
我们选取了各语言中最常见的几个词汇。
Most keywords have an index that shows how lexical items and their related terms are organized.
大多数关键字都有一个索引，显示词汇项及其相关术语是如何组织的。
Each of these rather large areas contains cross-referencing in order to provide further helpful lexical information.
这些相当大的区域中的每一个都包含交叉引用，以便进一步提供有用的词汇信息。
Scanning, or lexical analysis.
扫描，也称词法分析。
Lex: a lexical analyzer generator.
Lex：一个词汇分析器生成器。
Flex, a lexical analyzer generator.
这是一个词汇分析器生成器。
WordNet: The actual lexical database files.
WordNet：词法数据库文件。
If the tokenizer encounters neither token, it returns a lexical error.
如果记号赋予器未遇到这两个记号，则返回词法错误。
Those internal lexical dictionaries are available in over 20 languages.
这些内部词汇字典可用于超过20种语言。
Again, this isn't rocket science — just a little bit of a lexical twist.
同样，这也不是什么火箭科学，只不过是词法上的变异。
For instance, a simple lexical analyzer might count the words in its input.
例如，一个简单的词汇分析器可能会为输入的单词进行计数。
Define the lexical space, value space, and lexical mapping of the new type.
定义新类型的词汇空间、值空间和词汇映射。
That implementation would then be used by the parser for lexical processing.
然后，语法分析器将使用该实现来做词汇处理。
Bison is used to generate parsers; Flex is used to generate lexical analyzers.
Bison用来生成语法分析器；Flex用来生成词汇分析器。
WordNet is a database of English words and lexical relationships between them.
WordNet是英文单词及其词法关系的数据库。
It consists of a series of rules that lex translates into the lexical analyzer.
它由一系列规则构成，lex将这些规则翻译为词汇分析器。
The first step in performing this match is called scanning, or lexical analysis.
执行此匹配的第一步叫做扫描或词法分析。
But most of the researches aim at the technique and method of lexical memory.
但是这一研究较多还是停留在词汇记忆的技巧和方法上。
Syntax trees only represent the lexical and syntactic structure of the source code.
语法树只能够表现出源代码的词法和句法结构。
Namespaces introduce even more lexical flexibility (such as a choice of prefixes).
名称空间又带来了更大的词法灵活性(比如是否使用前缀是可选的)。
Lex takes a specification file and builds a corresponding lexical analyzer, coded in c.
lex可以接受规范文件并构建一个相应的词汇分析器(用c编写的)。
During the text segmentation, each word or token is determined for the lexical dictionary.
在文本分割期间，将针对词汇字典确定每个单词或标记。
The generated lexical parser may read multiple characters ahead before it detects a token.
所生成的词法解析器可能会在检测到某个符号之前读入多个字符。
Or how about Perl 4? Between Perl 4 and Perl 5, lexical closures got added to the language.
或者Perl4又如何呢？ Perl4到Perl5之间，词法闭包被加进来了。
Beyond dealing with the very lexical structure of XML, these APIs didn't offer tons of features.
除了处理XML的词汇结构之外，这些API并未提供大量的特性。
This lexical flexibility causes problems in areas such as regression testing and digital signatures.
词法上的灵活性在诸如回归测试和数字签名等方面带来了一些问题。
It defines an XML language for defining regular expressions for the lexical representation of new types.
它定义了一种xml语言，可用于定义新类型的词汇表示的正则表达式。
In practice their usefulness is greatly enhanced by other Lisp features like lexical closures and rest parameters.
实践中，宏的作用通常由其它一些Lisp特性比如词法闭包以及rest参数大大加强。
These functions create a lexical closure on the scope in which they were defined like blocks in many dynamic languages.
像许多动态语言一样，这些函数在它们被定义的范围内创建了词法闭包。
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