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1981年修订的生物医学论文稿国际统一规范(温哥华宣言)规定,在每篇文稿中提供3~10个关键词供检索用,并尽可能选用IM《医学主题词表》中的术语。所谓关键词,是指能表达论文主题的最重要的词或短语。设立关键词是为了便于1更好地编写检索文献;2方便读者查阅文献。选择恰当的关键词有利于文稿被准确编入检索文献,增加了文稿的检索和引用率。因此选好关键词是非常重要的。关键词应该反映文稿的主题,然后点明这一研究所属的范畴或从什么角度进行研究。此外,还可选研究
The International Uniform Code for Biomedical Essay Revisions, 1981 (Vancouver Declaration), provides for the inclusion of 3 to 10 key words in each submission for search purposes and, to the extent possible, the terms in the IM Thesaurus. The so-called keywords, is the most important words or phrases that can express the theme of the thesis. Key words are created to facilitate a better preparation of the search literature; 2 to facilitate readers access to the literature. The selection of the appropriate keywords is conducive to the accuracy of the manuscript into the search of the literature, an increase of manuscript retrieval and citation rate. Therefore, the selection of key words is very important. The key words should reflect the topic of the manuscript and then point out the scope of the research or from what angle. In addition, optional research