主要内容和观点如下：第一章主要阐述了包括本论文的研究背景与意义，相关文献的综述等。
The primary coverage and the viewpoint are as follows: chapter 1: the first chapter mainly elaborated the article 'a research the background and significance, related literature summary and so on.
主要内容和观点如下：第一章主要阐述了包括本论文的研究背景与意义，相关文献的综述等。
The primary coverage and the viewpoint are as follows: chapter 1: the first chapter mainly elaborated the article 'a research the background and significance, related literature summary and so on.
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