In this paper, the author gives the vector expression of the symmetricfigure for a point, a straight line and a plane, and its application.
本文给出了点、直线、平面相互间对称图形的向量表达式及其应用。
2
Based on the measurement, this paper presents, at the same time, a new algorithm for extracting features with symmetricfigure on scanned topographic map.
同时提出了基于图象匹配量度的扫描地形图中对称形状要的素提取算法。
3
The CA evolution in Figure 3 happens to be symmetric, but not all CA evolutions are.