1. Introduction is also called preface and introduction. The main task of introduction is to outline the basic content and outline of the full text to readers. It can include all or several of the following five contents:

Introduce the background, significance, development and current level of a research field;

Explain the purpose of your research project;

Summarize the main contents of the paper or outline its general outline.

Abstract: Abstract is the essence of the full text, a summary of a scientific research work or technical practice, and a summary of research purposes, methods and results.

Before the main part, the purpose is to let readers know the content of the paper first, so as to decide whether to read the full text. Generally speaking, this abstract is written after the full text is completed.

Extended data

Introduction to literature collection

Through the process of collecting documents, we can be further familiar with the retrieval methods of scientific documents and the accumulation methods of materials; In the process of searching, we also expanded our knowledge; The preface of the paper is also called introduction, which is a short paragraph in front of the text.

The preface is the preface of the paper, which aims to explain the ins and outs of this study to readers, arouse readers' interest in this paper, and play a role in outlining and guiding reading interest in this paper.

begin

As the beginning of the paper, the introduction briefly introduces the writing background and purpose of the paper, the origin and reality of the research demand, and the preliminary work and research survey in related fields.

Explain the relationship between this study and previous work, research hotspots, existing problems and the significance of the author's work, and lead to the theme of this paper and guide readers.

Reference: Baidu Encyclopedia: Introduction