文摘是对文章的内容不加注释和评论的简短陈述。一般分为报道性文摘、指示性文摘。文摘的编写应遵循以下原则:(1)应具有独立性和自含性,即不阅读报告全文,就能获得必要的信息。(2)其内容应包含与报告同等量的主要信息,供读者确定有无必要阅读全文,也供二次文献采用。(3)对于报 Abstracts are short statements that do not annotate and comment on the content of the article. Generally divided into report abstracts, indicative abstracts. Digest should follow the following principles: (1) Should be independent and self-contained, that is, without reading the full report, you can get the necessary information. (2) The content should contain the main information of the same amount as the report, for readers to determine whether it is necessary to read the full text, but also for the second time. (3) For the newspaper