本文的研究方法主要以规范性研究为主，引用事例为辅。

The major method of this paper is standardized research method, supplemented by reference to examples.

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本文主要采用规范性研究和案例分析相结合的方法进行研究。

This paper USES method of combining standardized analysis and case studies.

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论文主要采取规范性研究方法，具体运用调查分析、统计、比较的手段。

The paper mainly adopts normative research technique, utilizes diagnosis, statistical, comparative method specifically.

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