Legend refers to the annotation and explanation of illustrations. Generally, it ranks below the topic of pictures, and a few rank above the topic of pictures. Generally speaking, the length of graphic annotations should not exceed the length of graphics.

There are many kinds of charts, including recorded photos, documentary images, linear charts, bar charts, scatter charts, pie charts for quantitative data analysis, explanatory diagrams, flowcharts, maps and so on. But no matter what kind of chart, we should pay attention to the specification of the format in the following aspects:

Location: All kinds of pictures inserted into the article should be centered and resized according to the needs of typesetting, but the width of the pictures should not exceed the width of the text.

Color: In addition to special-purpose pictures, illustrations should try not to use color pictures, but should be adjusted to grayscale.

Title: The title is at the bottom of the picture, including the picture order and name, and there should be 1 blank of the same character between the picture order and name; The middle font is bold and bold, and the font size is one size smaller than the text. The figure sequence is arranged in sequence with Arabic numerals, and the figure sequence is compiled according to the specific content of the article, such as

If there are instructions, put it at the bottom of the picture and above the title.

Legend of pie charts, bar charts, etc. Should be clear and clear, the size is moderate, so as to ensure the discrimination of the pattern and avoid scribbling. The coordinate system of line charts and scatter charts shall ensure that the names of horizontal and vertical coordinates, marked numbers, characters and units are clear and standardized.

Extended data:

A paper generally consists of title, author, table of contents, abstract, key words, text, references and appendices, some of which (such as appendices) are dispensable. The composition order of the paper is: title, author, abstract, keywords, English title, English abstract, English keywords, text, references, appendix and thanks.

The title should be concise, specific and accurate, which can summarize the specific content of the paper, help to select keywords, and conform to the relevant principles of compiling title catalogue, indexing and retrieval.

Proposition should be concise and to the point.

The author's signature is placed under the title, or the author of the group author can be marked in the footer of the first page. Sometimes, the author's name can also be marked at the end of the article.