This paper is divided into three parts: part I Defining ecology and thematic education activity.
本论文共分为三个部分：第一部分：生态学与主题教育活动的界定。
This research is divided into three parts, part one includes chapter one, two, and three.
本项研究分为三部分，第一部分包括第一、二、三章。
Therefore, this article is divided into three parts: part I: Defining the concepts and explaining the theories.
为此，本文共分为三个部门：第一部门：基本概念界定与理论阐释。
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