China Science Periodical Database 中国学术期刊数据库
Chinese full-text periodical database 中文期刊全文数据库
foreign periodical database 外刊数据库
maintaining periodical database 数据库维护
full text periodical database 全文期刊数据库
full-text periodical database 期刊全文数据库
chinese biomedical science periodical database 中国生物医学期刊数据库
periodical full-text database 期刊全文数据库
periodical catalogue database 期刊书目数据库
Why has not the periodical database been perfectly established?
为什么期刊数据库建设不完善呢?。
Periodical indexes usually include abstracts that are written by the author or by someone at the database company.
期刊索引通常包括作者写的或数据库公司中某人写的摘要。
In the electronic periodical, the full text database has the highest utilization ratio.
在电子期刊中，全文数据库利用率最高。
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