Domestic and foreign literature search and download website

cnki.net

https://www.cnki.net/

Google Scholar

http://scholar.hedasudi.com/

Web of Science

https://www.webofscience.com/wos/alldb/basic-search

Flour Academic

https://gfsoso.99lb.net/sci-hub.html

IEEE Xplore Conference Papers

https://ieeexplore.ieee.org/Xplore/home.jsp

ScienceDirect

https://www.sciencedirect.com/

Springer

https://link.springer.com/