阐述了本研究题目的选题缘起、研究意义、研究思路、文献综述。
Elaborated on the subject of this study topics of origins, research significance, research ideas and literature review.
第一章导论，介绍本文的选题缘起与意义、学术史回顾与研究近况、研究策略。
The first one is an introduction of genesis, significance, academic history and present situation, methods and procedures of this thesis.
绪言部分概要介绍了本文的选题缘起、界定了研究对象，并简要说明了本文的重点、难点。
In the preface, it introduces the origin of selecting the topic, limits the object to be studied and briefly narrates the key points and difficulties in the paper.
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