Connectivity is an important part of discourse analysis. There are many kinds of connectivity, such as grammatical device, lexical cohesion, logical implication and so on.
Class library plays the vital role in the construction of compiler by object-oriented method and lexicalanalysis class library is an important part of object-oriented compiling class library.
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。
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Part of speech tagging is the basis of lexicalanalysis.