主要原因在于没有实现从外国经验介绍到理论框架体系研究的转变。
The main reason is that we have not transferred the information of foreign experience to the research of the theory construction system yet.
作者提出了一种新的研究体系，来勾画它的轮廓，构建它的框架。
The authors propose a new research system to draw its outline and construct its framework.
在本部分中还简要介绍了该论文的体系框架、核心研究要点和主要的研究方法。
In this section, I have introduced the frame and system, the core points of research and the major research methods of this paper.
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