The discipline is an elemental unit of university which loads teaching, scientific research and the social services. The key discipline is an exemplary role of the disciplines, is an important symbol that measures university level and characteristics. 学科是高校承载教学、科研和社会服务功能的基本单元,重点学科是具有示范带头作用的学科,是衡量一所高校办学水平和特色的重要标志。