43 and 20 people. In 2022, the basic synthesis of 962 mathematical data direction (data structure) includes data science interdisciplinary and big data engineering, with 43 students and 20 students enrolled respectively. Basic synthesis of 962 mathematics-data direction by 943? Basic synthesis of sensing and measurement and control? Or? 940? Basic synthesis of photoelectrons? Or? 937? The foundation of data science has been completely changed, and 2020 is a new subject for postgraduate entrance examination.