Informative text refers to the text of such kinds as natural science, science and technology, industrial and commercial economy, among which scientific and technical text is the main element.
“信息型文本”是指“自然科学、科技、工商经济”类文书文本，其中以科技文本为主要组成部分。
The development of a full text retrieval database system for SINOPEC scientific and technical periodicals is introduced.
介绍中国石油化工集团公司科技期刊全文检索数据库系统的开发情况。
The scientific and technical document database consists of full text of scientific and technical periodicals.
科技文献数据库由文献期刊全文组成。
The scientific and technical document database consists of full text of scientific and technical periodicals.
科技文献数据库由文献期刊全文组成。
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