Based on some related materials and investigation the paper makes an introduction to distribution of Manchu literatures and involved organizations as well.

本文根据有关文献和调查资料对北京地区满文图书的分布情况及相关的藏书机构进行了介绍。

youdao

Investigation from a web page is also ok, but must be to book review, not the content nor the Introduction.

从网页上查的也行，不过一定是要读后感，不是内容也不是简介。

youdao

A brief introduction is made by the author to the result of on-the-spot investigation on the researching situation of parallel mechanism of related universities in Germany.

简要介绍了作者对德国有关院校并联机构研究状况的实地考察结果。

youdao

"The introduction of the civil investigation allows us to request documents and produce evidence to establish that kind of responsibility, " public prosecutor Cesar Carlan said, according to state media.

CNN: STORY HIGHLIGHTS

Correspondents say there have been complaints that exam rules for the Introduction to Congress class were unclear, and over the university's handling of the investigation.

BBC: Harvard University file picture

Formalization makes it easier to compare like with like, and decreases the chance of the introduction of systematic error into a new investigation based on reusing information from another.

FORBES: Chess, Art, Robots, and the Future of Science