The difference between half angle and full angle:

First, the nature is different.

1, full width: the state that one character occupies two standard character positions.

2. Half-width: A character occupies the position of a standard character.

Second, the use is different.

1, full width: letters, numbers and other words occupy the same width as Chinese characters.

2. Half-width: characters in ASCII mode. When there is no Chinese character input method, the input alphanumeric characters and characters are half-angle.

Third, the symbols are different.

1, full width: various symbols in Chinese GB23 12-80 (basic set of Chinese coded character set for information interchange), such as A, B, C, 1, 2, 3, etc. , should be understood as Chinese characters.

2. Half-width: various symbols in the ASCII code of English documents, such as A, B, C, 1, 2, 3, etc.

Extended data:

1, paper title

Requirements are accurate, concise, eye-catching and novel.

2. Contents

A table of contents is a short list of main paragraphs in a paper. (Essays don't need to be listed in the table of contents)

3. Platform for Action

It is an excerpt from the main content of the article, which requires short and concise content.

4, keyword definition

Keywords are selected from the title, abstract and text of the paper, which are words with substantial meaning to express the central content of the paper. Keywords are words used by computer systems to index the content characteristics of papers, which are convenient for information systems to collect and provide readers with retrieval. Generally, 3-8 words are selected as keywords for each paper, and a new line is set at the bottom left of the "abstract".

Subject words are standard words. When determining the subject words, we should analyze the theme of the paper and convert it into standard words in the thesaurus according to the rules of indexing and collocation. (See Chinese Thesaurus and World Chinese Thesaurus).