Introduction, also known as preface, introduction, preface and introduction, is the preface of an argumentative paper, which leads to the article, so it is written before the text; Introduction is also called introduction and introduction.
The main contents of the introduction include the following aspects: briefly explain the main purpose and scope of the research work, that is, why to write this paper and what problems to solve; This paper briefly reviews the work done by predecessors in related fields of this topic and the remaining knowledge gaps, and makes a horizontal comparison at home and abroad. The theoretical basis, technical route, experimental methods and means of the research, and the reasons for choosing specific research methods; Expected research results and their significance.
A preface or introduction written in front of a book or an article, as an overview or feeling of the book, also refers to the opening remarks of a symposium, seminar or seminar. Also known as preface, preface or overview, it is often used as the beginning of an article.