在由两部分构成的系列文章的第1部分所涉及的内容基础之上，本文讨论了两个具体的lex和yacc应用程序，并讨论了一些常见的缺陷。
Building on the ground we covered in part 1 of this two-part series, this article covers a couple of concrete applications of lex and yacc and discusses some common pitfalls.
报告由两部分构成，一部分是每周变化情况另一部分是每年变化情况。
There are two parts to the report, the week-over-week and year-over-year changes.
研究分为两部分，第一部分测量了大学生手机顾客期望价值的构成，第二部分测量了大学生手机期望价值的转变。
The research includes two parts of which the first is to measure the structure of customer desired value in university and the second part is to measure the change of customer desired value.
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