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。

Periodical indexes usually include abstracts that are written by the author or by someone at the database company.

youdao

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。

Periodical indexes usually include abstracts that are written by the author or by someone at the database company.

youdao