The World Digital Library (WDL) provides free important raw materials from all cultures around the world in multiple languages on the Internet. Here you can learn about interesting history and culture around the world. Do not believe, go and have a look.

2. Online terminology

Terminology Online is sponsored by the National Committee for the Examination and Approval of Scientific and Technological Terminology, and positioned as a terminology knowledge service platform. It can search terms and accumulate more than 450,000 standard terms. Covering basic science, engineering and technical science, agricultural science, medicine, humanities and social sciences, military science and other fields 100.

3. China HowNet Academic Edition

CNKI academic search aims to provide an authoritative platform for domestic and foreign scholars to discover content, including all kinds of academic documents, such as periodicals, dissertations, conference papers, newspapers, patents, standards, books and so on. General academic literature can be found here. What is more painful is that many downloads need to be charged. At this time, everyone should give full play to school resources. General school libraries have literature resources that can be downloaded from CNKI for free.

4. Wan Fang data

Similar to CNKI, the paper is also relatively complete. The disadvantage is that it costs a lot. See if your school's library resources have purchased this database, which can be downloaded for free.

The above is about the related sharing of document retrieval websites. I hope it helps you. If you want to know more about graduation thesis, you are welcome to check it on this platform in time!