前言部分主要说明了选题的意义和作者的写作意图。
The foreword partial mainly showed the selected topic significance and author's writing intention.
前言是对论文的选题及选题意义做简要说明。
Foreword is a thesis topic and a brief description of topics of significance to do.
第一部分为绪论，对论文的选题、研究思路、研究方法和研究意义做了简要说明。
The first part is an introduction to the thesis topic, research ideas, research methods and significance.
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