Tsinghua Campus Search is a search engine donated and supported by Beijing sogou Science and Technology Development Co., Ltd. and jointly developed with Tsinghua University Information Technology Center, which is used for all public websites in Tsinghua University. Based on sogou's web search technology, this search engine optimizes the campus network and website group environment in Tsinghua University, provides high-quality search services for teachers, students and the public, and finds valuable information in a large number of web pages. So you can find all the relevant content by searching the keyword China.