论文部分内容阅读
1关键词的作用随着科学技术的迅速发展,各学科论文总数急剧增长,科技工作者已没有精力通览其研究领域内的全部纸质文献。随着信息化水平的提高和计算机的普及,科技工作者已在很大程度上改变了传统的手工检索方式,而是主要依赖计算机,通过关键词检索,从各大型电子文献数据库迅速查找到自己所需要的文献信息。因此,关键词的作用越
1 The Role of Key Words With the rapid development of science and technology, the total number of papers in various disciplines has increased dramatically, and scientists and technicians have not had the energy to review all paper documents in their field of research. With the improvement of information technology and the popularity of computers, scientific and technical workers have changed the traditional manual search methods to a great extent, but rely mainly on computers, and they quickly find themselves from large electronic document databases through keyword search. Required documentation information. Therefore, the more important the role of keywords