It should be the outline of the content of the paper or the refinement of the author's point of view. You can let people know what your paper has written by reading your abstract. According to the requirements of current periodical standards, this article ... should not appear in newspapers. Just don't write an abstract from the perspective of ..... This article just summarizes the contents or opinions directly. Extended data summary is also called summary and content summary, which means extracting key points or extracting key points. It is a short article, which concisely and accurately describes the important contents of the literature, without comments or supplementary explanations. Its basic elements include research objectives, methods, results and conclusions. Specifically, it is the main object and scope of research work, the means and methods adopted, the achievements and important conclusions obtained, and sometimes other important information with intelligence value.

Abstract is a concise summary of the description of an invention or utility model. The theme and essence of the invention or utility model shall be briefly explained. The important purpose of this paper is to facilitate people's literature retrieval and preliminary classification.

An application for a patent for invention or utility model shall specify the summary of the disclosure, that is, the name of the invention or utility model, its technical field, technical problems to be solved, main technical features and uses. The written part generally does not exceed 300 words, but the specific number of words needs to be determined according to the content of the article, and it can exceed 300 words when necessary. For an application for a patent with drawings, the applicant shall specify and provide a drawing that best illustrates the technical characteristics of the invention or utility model. The size and clarity of the attached drawings shall ensure that every detail in the drawings can still be clearly distinguished when the drawings are reduced to 4cmX6cm.

The abstracts of natural science original works such as research results, experimental research reports and investigation results reports should have four elements: purpose, materials and methods, results and conclusions. The abstracts of other papers should also accurately reflect the main points of the papers and summarize their achievements and conclusions. Writing should be carefully conceived, and it is often above the fold who reviews the manuscript.