It needs to include five elements of the full text-problem, motivation, method, result and conclusion.

The introduction points out the ins and outs of the problem and the arrangement of this paper by introducing the background, demand and current situation, and defines the background, demand, task and goal.

2. Purpose

It is used for readers to select articles, attract readers to get the full text, judge whether the full text is relevant to them, decide whether to accept invitations, post posters, etc.

Introduction is used to tell readers why this question is important, so that readers don't read the core content.

3. Logic

It is a brief introduction to the full text, as short as possible, listing five elements simply, and there is no space to emphasize the logical relationship between the elements. Deleting one element will not affect the readability of other elements.

Introduction is the ins and outs of the problem, highlighting how the problem is put forward and emphasizing the logical connection between background, demand, task and goal. Therefore, all parts of the introduction use necessary turning sentences to reflect some connection or causal relationship between the past and the future. If the introduction meets the requirements, then casually removing a paragraph will lack a sense of logic, or logic will not work.

4. Independence and self-reliance

Abstract is an independent reading text, which may appear in retrieval systems and announcements alone, so it cannot contain symbols and numbers that need to be read through the whole text, and it is not allowed to quote chapters, charts, formulas and references with numbers.

In a sense, the introduction is also a text that can be read independently. In addition to the list of references, the contents can be read completely, and can be read without flipping through the contents after introduction. That is, when reading the introduction, you don't need to look back to understand.

5. Depth

In order to attract more readers, it is for people who have not read the full text, so the abstract should be easy to understand and avoid jargon as much as possible.

The introduction at the beginning should be easy to understand. Through the gradual introduction and explanation of some professional terms, the content of the introduction is more and more in-depth, that is, the introduction follows the principle of from shallow to deep, which is also reflected in the aspect of from wide to narrow, that is, starting from a wider background, gradually narrowing the narrow and specific issues. The broader the content language, the easier it is to understand, and the more specific the problem can be.

6. Length

Since it is an introduction to the paper, it can't be too long. The guide of many publications has restrictions on the length of abstracts. If the restriction is not clear, the abstract of a general paper can be limited to half a page, and the abstract of a dissertation can be limited to one page.

The introduction needs to explain the ins and outs of the problem clearly, especially to show that the author has a full understanding of the literature, so there is generally no limit to the length of the introduction. Even so, in the absence of good reference requirements, we can try to make the length of the introduction 0/5 of 65438+ the full text-that is, the introduction accounts for about one-fifth of the full text.