摘要
研究参数方程所示曲线的图象特点及描绘方法、自身封闭所围平面图形的面积的求法 。
This essay studies the graph characteristics method of parameter curve and its describing mdthed and the evaluation of the plane region area closed by itself.It replenishes the disadvantages of the current textbooks.
出处
《高师理科学刊》
2003年第3期77-78,共2页
Journal of Science of Teachers＇College and University
关键词
参数方程
图象
自封闭
面积
parameter equation
graph
closed
area
