You can't. The article of the thesis must indent two words before each paragraph. These matters are different according to the format requirements of published magazines. There must be two lines between the key words and the text of the paper. Keywords are meaningful words selected from the title, abstract and text of the paper to express the central content of the paper. Keywords are used as the index of computer system and the language used as the content characteristics of papers, which is convenient for information system collection and helpful for readers' retrieval. Each paper has 3~8 keywords, and the other line is located in the lower left corner of the abstract.