Around 7: 03. There are more boys than girls in the School of Surveying and Mapping Engineering of Donghua Institute of Technology, and the overall male-female ratio is about 7:3. Surveying and mapping engineering college is one of the traditional core advantage colleges of Nanchang Donghua Institute of Technology. It has a long history and a solid discipline. Over the years, it has been one of the enrollment majors of naval national defense students, indicating that the quality of this major is recognized by the state, and surveying and mapping engineering has a good employment in this school.