1) approximative drawing of oblique double axono-metric ellipse
斜二测椭圆近似画法
2) oblique double axonometric ellipse
斜二测椭圆
1.
Herein, on the basic of probing into two kinds of oblique double axonometric ellipse drawing, a novel approximation drawing will be studied, and compared the three kinds of approximation drawing and its drawing results with standard oblique double axonometric ellipse.
文章在对原有的两种近似画法进行研讨的基础上，推出一种新的斜二测椭圆近似画法。
3) Rotating ellipse method
旋转椭圆近似法
4) Approximately ellipse
近似椭圆
5) ellipse-fitting
椭圆近似
1.
The ellipse-fitting method is utilized to approximate the scale and the shape of the considered region instead of the widely used approaches of the minimum enclosing rectangle and the bounding box.
算法使用自适应聚类分割法解决大幅面图像中复杂背景下的小目标分割问题,选取椭圆近似法代替常用的最小外接矩形和边界框法计算区域的尺寸和体态特征。
6) Similar ellipse method
似椭圆法
1.
Based on principle of protection a point and a line on the ground,this paper puts forward the principle of similar ellipse method to design coal pillar for protection of buildings,and the method and step are proposed.
在保护地面上一点、一条直线原理的基础上,提出了似椭圆法留设保护煤柱的基本原理,给出了留设保护煤柱的方法与步骤。
补充资料：斜二侧画法
Image:11732518964332885.jpg
斜二侧画法
从右上角往下看到的长方体的直观图的画法，叫做斜二侧画法。每个夹角都应是135度，90度及45度，看不见的部分用虚线表示。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。