摘要
针对画法几何中椭圆作图的实际情况,本文给出了几种作图方法,可以在给定的条件下,利用相应的方法画出所要求的椭圆。
This paper, in view of the situations for drawing ellipse in teaching and learning descriptive geometry, proposes some methods for performing this kind of missions, by means of which different ellipses could be easily drawn under given conditions.
出处
《山东理工大学学报(自然科学版)》
CAS
1994年第4期35-41,共7页
Journal of Shandong University of Technology:Natural Science Edition
关键词
椭圆
画法几何
作图
Ellipse, Descriptive geometry, Drawing picture