摘要
以区间长度、曲边梯形及凸多边形概念为基础分别引入点集测度、下方图形与凸集概念.
It＇s based on the concept of interval length, curved trapezoid and convex polygon, and introduces respectively the concept of point set measure, the graph below and convex set.
出处
《大学数学》
2014年第3期107-110,共4页
College Mathematics
关键词
点集测度
下方图形
凸集
point set measure
the graph below
convex set
