摘要
给出了由简单闭曲线包围的平面图形面积的一个积分公式,并进行了证明和实际应用。
An integral formula of the plane figure area which is surrounded by simple closed curve is given and verification and factual appliance is made.
出处
《济源职业技术学院学报》
2012年第4期14-15,共2页
Journal of Jiyuan Vocational and Technical College
关键词
平面图形
面积
积分公式
plane figure
area
integral formula