> For the complete documentation index, see [llms.txt](https://kb.howsci.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kb.howsci.com/references/creating-a-new-reference/doi.md).

# DOI

DOI (Digital Object Identifier，数字对象唯一标识符)是定位文件，PDF 或者图像的一个数字编号，对于导入文献数据和从在线数据库更新数据很有用。该部分漃被称为电子资源号