Part One is an introduction, elaborating the backgrounds, significance, purpose, main contents and methods of this study.

第一部分是绪论，阐明了本研究的选题背景、目的与意义、主要内容和方法。

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This part introduces the backgrounds and the purpose and significance of this study.

本部分介绍了本研究的背景、目的和意义。

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Part one is the introduction which provides the research backgrounds, the discussion of the purpose and the significance of the study.

第一部分为引言，就研究背景、现实意义和内容和方法做论述。

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