对于科技期刊的文章 ,文摘主要由三部分组成 ,即 :研究的问题、过程和方法、结果。根据国标的定义 ,文摘是以提供文献内容梗概为目的 ,不加评论和补充解释 ,简明确切地记述文献重要内容的短文。文摘有两种基本写法 :报道性文摘—指明一次文献的主题范围及内容梗概的简明文摘 ; For scientific journals articles, abstracts mainly consists of three parts, namely: the research problems, processes and methods, the results. According to the definition of national standard, abstracts are based on providing the content of the document for the purpose of summary, without comment and supplementary explanation, concise and accurate description of the important content of the essay. Abstracts have two basic wording: Report Abstracts - concise abstracts that outline the subject area and content of a document;