Master thesis. Anhui Normal University, referred to as Normal University, is located in Wuhu City, Anhui Province. It is a university jointly established by the Anhui Provincial People's Government, the people of China and the Ministry of Education, and is a national "Basic Capacity Building Project for Universities in the Midwest". All the master's degree theses of the school are submitted by the third-party platform, which not only improves the efficiency of submission, but also further ensures the quality of submission and the fairness and objectivity of third-party evaluation.