This paper compares and evaluates three kinds of foreign full-text e-journal databases from the aspects of retrieval functions, retrieval result handling and so on.

本文主要从数据库的学科范围，检索功能、以及结果处理等几个方面对国外三种全文电子数据库进行了比较和评价。

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There are more and more academic resources in our campus network, many of them are free, including academic journal full text, summary and contents, database and other science research information.

校园网上分散着丰富的学术信息资源，其中免费的理科信息资源主要包括：期刊全文、文摘目次、书目、专题数据库、科研项目、成果及其它信息资源。

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