This paper applies the method of documents, investigating method interviewing method, mathematic statistics method, logical analysis method etc.

本文运用的研究方法主要有：文献法、问卷调查法、访谈调查法、数理统计法、逻辑分析法。

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Documentation method, questionnaire method, statistical method, comparison method and interviewing method are adopted in the course of my research.

在研究过程中，主要采用文献法、问卷调查法、统计法、比较法、访谈法。

youdao

Documentation method, questionnaire method, statistical method, comparison method and interviewing method are adopted in the course of my research.

在研究过程中，主要采用文献法、问卷调查法、统计法、比较法、访谈法。

youdao