引言部分将介绍选择本题目的意义。
Introduction will describe the significance of choosing the topic.
本文共分为五个部分：第一部分：引言部分。
This article is divided into five parts: part one: Introduction.
引言部分介绍了论文研究的背景和意义、方法、目的和内容。
The introduction part describes the background, significance, methods, purpose and contents of the research.
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