The initiative thought, origination of the title, the research goal and methods are identified in Chapter one. The research situation and results of this program are reviewed.

论文第一章内容主要阐明了写作动机、题目来源背景、研究目标及研究方法，并对本课题的研究状况和研究成果进行了文献综述。

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The initiative thought, origination of the title, the research goal and methods are identified in Chapter one. The research situation and results of this program are reviewed.

论文第一章内容主要阐明了写作动机、题目来源背景、研究目标及研究方法，并对本课题的研究状况和研究成果进行了文献综述。

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