论文部分内容阅读
1 当今,科学技术迅猛发展,日新月异,近10年来的科技成果已超过以往二千多年的总和。国际间学术交流日趋频繁,科技文献数量与日递增。做为科技信息的重要载体的科学专著、科技期刊和科技文献的出版种类及数量不断增加。据有关资料表明,全世界每年发表的科学论文约有400多万篇,到1990年底,国际连续出版物数据系统(ISDS)
1 Nowadays, science and technology are rapidly developing and changing with each passing day. The scientific and technological achievements in the past 10 years have exceeded the sum of more than 2,000 years. International academic exchanges have become more frequent, and the number of scientific and technological literature has increased. As the important carrier of scientific and technological information, the number and type of scientific monographs, scientific journals, and scientific and technological publications have been increasing. According to relevant data, there are more than 4 million scientific papers published annually in the world, and by the end of 1990, the International Serial Data System (ISDS)