The introduction showed the basis of the topic, the importance and the expected results of this paper.
这篇论文的导论部分，说明论文选题的依据、重要性，陈述论文期望取得的效果。
The first part is introduction, includes the purpose and significance of research, and the expected results.
第一部分，论文前言，包括研究的目的和意义，预期结果。
The first part is introduction, includes the purpose and significance of research, and the expected results.
第一部分，论文前言，包括研究的目的和意义，预期结果。
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