第二部分是对本研究相关概念的界定。
Second part, it is the definition of the relevant concepts of the research.
包括本研究的理论依据和相关概念的界定。
Including the theoretical basis of this study and related concepts defined.
介绍了研究背景和意义，相关概念的界定。
Describes the research background and significance of the definition of related concepts.
应用推荐