省科技情报所国际联机现已接通启用的美国 DIALOG 系统,内容十分丰富。为了使广大用户能够了解它利用它,使其在振兴我省经济中发挥应有的作用,我们将其内容分类做些介绍。在 DIALOG 系统中,介绍世界各公司基本情况的数据库有三十多个,约占总库数的十分之一,其中包括二百万家美国公司、一百八十万家英国公司、三十五万家加拿大公司、四万家西德公司和其它一百三十多个国家的五十三万家公司的基本情报。这些数 Provincial Science and Technology Intelligence International online now connected to the opening of the US DIALOG system, the content is very rich. In order to enable the majority of users to understand it to use it to make it play its due role in rejuvenating the economy of our province, we will introduce its content classification. In the DIALOG system, there are more than thirty databases that cover the basic information of companies in the world, accounting for about one-tenth of the total number of libraries, including two million U.S. companies, 1.8 million UK companies, thirty 50,000 Canadian companies, 40,000 West German companies and 530,000 companies in more than 130 other countries. These numbers