1) plane closed folding
平面闭折线
1.
Promoted an area question by using of the oriented area concept of plane closed folding and the determinant nature.
利用平面闭折线有向面积的概念和行列式的性质推广了一个面积问题。
2.
In this paper,one theorem of directed areas for plane closed folding is given,some known results of Napoleon triangles are promote
本文给出平面闭折线有向面积的一个定理及其若干推论。
3.
This paper studies the area of plane closed folding by complex number method and proves several propositions about area of plane closed folding.
运用复数方法,推导、证明了关于平面闭折线面积的几个定理。
2) plane closed folding line
平面闭折线
1.
This paper studies the features of No 1 center in plane closed folding line and gets some new conclusions.
研究了平面闭折线"1号心"有关性质,得到了几个新的结论。
2.
Based on Paper 1,the paper makes furth study on the features of No k centre in plane closed folding line and gets some new conclusions.
本文在文[1]的基础上,对平面闭折线的k号心的性质作了作一步探讨,得到了几个新结论。
3) general closed planar broken line
一般平面封闭折线
1.
In this paper,the cosine law of general closed planar broken line is acquired by generalizing cosine law of triangle.
将三角形中的余弦定律进行推广,得到一般平面封闭折线的余弦定律。
4) closed curve in plane
平面闭曲线
1.
The completely equal curvature of ellipse torus on closed curve in plane;
平面闭曲线上扁形椭圆环面的全平均曲率——Willmore猜想的一个例证
5) convex curves in the plane
平面闭凸曲线
1.
In this paper, we will present a new type of smooth constant breadth curves with the help of the polar tangential coordinates (Minkowski s support function) for the closed convex curves in the plane.
作者利用平面闭凸曲线的切线极坐标(Minkowski支撑函数)给出一类新的光滑常宽曲线。
6) closed convex plane curves
平面凸闭曲线
补充资料：折线
用线段依次连接不在一直线上的若干个点所组成的图形。各线段称为折线的边；各点称为折线的顶点，其中第一点称为起点，最后一点称为终点。起点和终点重合的折线称为封闭折线或多边形。不相邻的两边都不相交的折线称为简单折线。如果对于简单折线的任一边所在的直线，折线其他各边都在其同侧，则称此为凸折线；否则称为凹折线。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条