1, introduction as the beginning of the paper, briefly introduces the writing background and purpose of the paper, the origin and practical needs of the research, as well as the preliminary work and research survey in related fields, explains the relationship between this research and the preliminary work, current research hotspots, existing problems and the significance of the author's work, and leads to the theme of this paper to guide readers.

2. The introduction can also point out the theoretical basis, experimental basis and research methods of this paper, and briefly explain its research content; A few words foreshadow the results, significance and prospect of this study, but there is no need to discuss it. The preface should include: What is the theoretical or practical basis of this study? What is the theoretical and/or practical significance of the proposed innovation?

3. First of all, it is necessary to introduce the historical background and theoretical basis of this topic, the research progress and achievements of predecessors or others on this topic, and whether there are different academic viewpoints in academic circles. Tell the reader clearly why you want to do this research, and the sentences should be concise and straight to the point. If the research project has never been carried out by others, then the innovation is obvious, and the innovation of the research should be explained. But in most cases, research projects have been carried out by predecessors. At this time, it is necessary to explain the differences and essential differences between this research and that research, rather than simply repeating the work of predecessors.

I. Introduction

Preface is also called introduction, introduction, introduction or preface. It is the beginning of the paper, mainly explaining the origin, purpose, significance and conclusion of the topic, and the text should be concise.

(A) the main content of the preface

(1) The purpose and scope of the research and the general situation of other people's research in related fields.

(2) Research process, methods, theoretical basis and experimental basis.

(3) Research results and their significance.

(B) Foreword writing should pay attention to matters

(1) Cut to the chase and be concise, 200-300 words is appropriate.

(2) Orderly, clear and objective. Use words such as "opening up" and "opening up new fields" with caution, and don't write cliches such as "making suggestions" and "throwing bricks to attract jade".

(3) Don't turn the preface into a "clone" of feed or a filler of feed.

(4) When introducing documents, you should summarize them in your own language, and it is not appropriate to quote others' original texts in large paragraphs.