摘要
把面积分化为线积分，由数值积分求得线积分的近似值。
In this paper,the write first changes the Area Integral into the Line Integral,and then the approxicate value of which is worked out to calculate the Geometrical Quality of an complicated cross-section.
出处
《陕西理工学院学报（自然科学版）》
1996年第2期85-89,共5页
Journal of Shananxi University of Technology:Natural Science Edition
关键词
截面几何性质
面积分
线积分
Area Integral
Line Integral
Geometrical Quality of a Cross-Section
