1. CERNET, a computer network for education and scientific research in China, is a national academic computer internet built, managed and operated by universities such as the state investment, the management of the Ministry of Education and Tsinghua University.
2. Education Teaching and Research Information Network is the carrier of national basic education teaching and research activities, and it is a non-profit public welfare website, which mainly carries out theoretical and practical research on basic education teaching and explores effective ways of primary and secondary education teaching.