研究采用了文献调查、个案分析和问卷调查的方法。

Literature 's research and case' s analysis were adopted in this paper.

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我们决定采用问卷调查作为我们研究的方法。

We decided to choose questionnaire as our research method.

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我们决定采用问卷调查作为我们研究的方法。

We decided to choose questionnaire as our research method.

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