本论文主要用了文献分析法和思辨法。文献分析法是指通过对收集到的某方面的

This paper mainly uses literature analysis and speculation. The literature analysis method refers to the analysis method of exploring the nature and condition of the research object by studying the collected literature materials in a certain aspect, and deriving his own opinion from it. It helps me to form a general impression of the research object, and to obtain information through the survey literature, so as to fully and correctly understand the problem to be studied. Speculative research methods are research methods that researchers use to understand logically deductive reasoning of concepts and propositions on the basis of individual rational cognitive ability and intuitive experience to understand the essential characteristics of things.

This paper mainly uses the method of literature analysis and the method of thinking. The method of literature analysis refers to the analysis method by studying the literature collected in some aspect stoic, in order to find out the nature and condition of the research object, and to draw its own point of view from it. It helps me to form a general impression of the subject of the study, through the survey literature to obtain information, so as to fully and correctly understand the problemto to be studied. The method of thinking research is the researcher's method of understanding the essential characteristics of things by carrying out logical deductive reasoning on concepts and propositions on the basis of individual rational cognitive ability and intuitive experience.

This paper mainly uses the methods of literature analysis and speculation. Literature analysis refers to the analysis method of finding out the nature and status of the research object and drawing out their own views from the collected literature. It helps me to form a general impression of the research object, obtain information through the investigation of literature, so as to understand and master the research problems comprehensively and correctly. The speculative research method is a research method that the researcher, on the basis of individual rational cognitive ability and intuitive experience, realizes the essential characteristics of things through logical deductive reasoning of concepts and propositions.