OpenStax

sci-hub网址导航-柠檬文献

DAC导航-让校园生活更加精彩

毕业论文资源导航

Semantic Scholar | AI-Powered Research Tool

PDF24 Tools 免费且易于使用的在线PDF工具

谷歌学术_Google学术搜索-格桑花学术导航

Google学术,SCI-HUB网址,-文献下载导航

Electronic library. Download books free. Finding books

Web of Science

Wiley Online Library | Scientific research articles, journals, books, and reference works

Search for peer-reviewed journal articles and book chapters (including open access content)

Springer

文献部落

极简插件_Chrome扩展插件商店_优质crx应用

谷歌插件镜像网站2

谷歌插件镜像网站1

CNKI翻译助手-辅助英语在线翻译系统(文献翻译|专业词汇翻译|学术翻译|专业英语翻译|术语翻译)

Open Access Library

Sci-Hub | Academic Navigation Site – To remove all barriers in the way of science

pubmed

Find open access journals & articles

猫咪论文

企鹅论文

科研干货导航

龙猫学术导航

大为innojoy专利搜索引擎

文献小镇

ResearchGate | Find and share research

iData-知识检索