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.

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介绍了常用的国内外航空科技文献数据库；

Typical aero scientific and technical document database at home and abroad are introduced.

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科技文献的分类是科技文献数据库的重要组成部分。

The classification of scientific document is an important component of scientific document database.

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