GIS supplies the technical foundation for agricultural land grading and improves the speed and precision of the work.
GIS为农用地分等定级提供了技术基础，提高了工作的速度和精度。
2
Article30 The State practices a skill-grading system for athletes and referees, and a grading system of professional and technical titles for coaches.
第三十条国家实行运动员技术等级、判员技术等级和教练员专业技术职务等级制度。
3
For those who are interested in long-term cooperation, Yilong would be truly honored to provide with marketing strategies, tea grading and appreciation knowledge and technical cooperation.