Zhang Lei, a master of electronic information majoring in communication engineering in Shanghai University, is a good tutor. According to relevant data, Xue Lei was born in Beijing and holds a doctorate in engineering. 20 1 1 worked as a full-time tutor in the School of Electronic Information, Communication Engineering, Shanghai University, and was awarded the title of associate professor, ranking first among the tutors of Shanghai University. He is a highly respected professor and tutor in many schools and colleges.