大学毕业论文一般关键词论文题目中的常见写法（University graduation thesis, general keywords, topics in writing）.docVIP

下载本文档

9
0
约6.9千字
约 6页
2017-08-16 发布于河南
举报
版权申诉

大学毕业论文一般关键词论文题目中的常见写法（University graduation thesis, general keywords, topics in writing）.doc

1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
7、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

大学毕业论文一般关键词论文题目中的常见写法（University graduation thesis, general keywords, topics in writing）

大学毕业论文一般关键词论文题目中的常见写法（University graduation thesis, general keywords, topics in writing） Key words are the literature retrieval marks of scientific papers, and the natural language words that express the subject concepts of documents. The key words of scientific papers are selected from their titles, levels, titles and texts, which can reflect the concepts or phrases of the theme of the thesis. Key words are presented to fit the needs of computer retrieval, location after the abstract. As early as 1963, when American Chemical Abstracts was rolled up from fifty-eighth, it began to use electronic computers to compile keyword indexing and to provide a quick access to the subject matter. Today, with the rapid development of science and technology information, hundreds of thousands of scientific papers are published every day in the world, and it has long been agreed by academic circles to use the subject concept words to retrieve the latest published papers. Articles published by the author do not label keywords or descriptors, and the literature database will not include such articles, and readers will not be able to retrieve them. The appropriateness of the selection concerns the retrieval of the text and the utilization of the result. 1 keywords classification Key words include descriptors and free words. The 1 key words: income) refers to the Chinese Thesaurus, MeSH and other vocabulary can be used in the indexing of subject concept through the standardization of words or phrases. 2) free words - new words, phrases, or words that can not be found in the thesaurus, that reflect new techniques, subjects, or topics that have not yet been included in the subject vocabulary. 2 keyword indexing In order to meet the needs of computer automatic retrieval, GB/T 3179 - 92 stipulates that modern scientific and technical periodicals should give 3~8 key words (or descriptors) after the abstract of academic papers. Keywords indexing should be according to the principles and metho