Liu Aimin, professor, oil-painter and executive director of the Institute of Chinese oil Painting, was once awarded the Nationwide Prominent Teacher.
刘爱民，教授，油画家，中国油画学会理事，曾获全国优秀教师奖等。
2
AimIn order to improve approximating precision and reliability of GPS leveling of imitated model in approximating abnormal height curved surface.
目的为了提高GPS水准的拟合模型在逼近高程异常曲面时的逼近精度和可信度。
3
AimIn order to increase the precision of industrial oil output standard which can be much more suitable for the oilfield in the North of Shaanxi Province.