Then it summarizes the inside and outside academic research results about the industrial structure upgrading. At the end of this chapter, this paper presents its research content and method in brief.

第一章先简述了选题背景、目的及意义，接下来，综述了国内外学者在产业结构高级化方面取得的研究成果，最后简单介绍了此论文的主要研究内容及方法。

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Then it summarizes the inside and outside academic research results about the industrial structure upgrading. At the end of this chapter, this paper presents its research content and method in brief.

第一章先简述了选题背景、目的及意义，接下来，综述了国内外学者在产业结构高级化方面取得的研究成果，最后简单介绍了此论文的主要研究内容及方法。

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