The Agreement of International Investment: Is Multilateral Arrangement the Only Way?;
国际投资协定:多边安排是唯一的途径吗?
With the development of globalization and regional integration,both China and African countries have a desire to erect a multilateral platform and establish a multilateral relation.
随着全球化和区域一体化的发展,中国和非洲国家搭建了多边平台,发展多边关系的愿望。
Application of Cycloid in Machining Polygon Parts;
摆线在多边形零件加工中的应用
The algorithm of using the method of radial to judge the points in flat in and out of the polygon;
射线法判断平面中的点在多边形内外的算法
A new method for extracting polygon s features;
一种提取多边形特征的新方法
The practical calculation equations for regular polygon folded-plated shell subjected to uniform loads are presented.
在已有的四边形幕结构设计计算理论的基础上,以承受正则荷载的正六边形幕结构屋盖为例,分析了正多边形幕结构的受力机理,提出了在均布荷载作用下的正多边形幕结构内力的实用计算方法,与有限元分析结果对比,吻合较好。
For solving regular polygon,the author presents a geometrograph which pides the circumference uniformly and arbitrarily; and derives an analytic expression.
介绍任意等分圆周的几何作图法及所推导的解析表达式，提出用解三角形法解决正多边形零件在设计和加工中的计算问题。
Aiming at the transition algorithms from regular polygons to a circle,embordering method and edge rounding method are put forward.
针对正多边形渐变为圆的算法进行了研究,提出了两种算法:加边法,即通过增加正多边形边数的方法逐渐逼近于圆,当正多边形的边数足够多时,可以认为其是一个圆;倒角法,逐渐增加正多边的倒角半径,当倒角半径趋近等于正多边形的内接圆半径时,得到的即为一个圆,这个圆是该正多边形的内接圆。
The Validity Of Triangulation Between Two Polygons On Parallel Slices;
平行截面上两个多边形之间三角剖分的合法性
Based on computational geometry and set theory,a vector algorithm for getting the Intersection set of two complex polygons is put forward in this paper.
基于计算几何和集合的基本理论 ,提出了任意两多边形求交的一种矢量算法 。