Tall man. China Ocean University, referred to as China Haida, is located in Qingdao, Shandong Province. It is a national key university directly under the Ministry of Education of People's Republic of China (PRC), a world-class university construction university, and the first batch of national key construction universities in Project 985 and Project 2 1 1. Because the Department of Mathematics is one of the most difficult subjects in Shanghai University, including five majors, you need to master the principles of each major, which tests your memory and patience, so it is very difficult for many students who want to take the postgraduate entrance examination. At present, the department of mathematics in China is divided into two majors: mathematics and applied mathematics, information and computational science, with a four-year academic system and a bachelor of science degree.