1) closed polygon
封闭多边形
1.
Based on the existed geological data , the method of dealing with the geological data by using the closed polygon was proposed with analyzing the datasheet of the CAD entity.
在已有地质资料的基础上 ,通过对CAD实体数据表的分析 ,提出了用封闭多边形进行地层信息处理的方法 ,分析了该方法的基本原理 ,就如何在工程CAD软件中实现这一技术进行了详细说明 ,并给出了在计算机上用VisualC++语言实现这一技术的流程图和源程序 。
2) closure of force polygon
力多边形闭合
3) closed boundary
封闭边界
1.
Numerical simulation are conducted to the flow reservoirs with the composite boundary condition of constant-pressure boundary and closed boundary, and the pressure distribution curves in circular reservoir and the rectangle reservoir are derived .
建立了稳定渗条件下的有限元方程,针对定边界和封闭边界混合作用下的渗流问题进行了模拟计算,给出了圆形地层和矩形地层在以上条件下的压力分布,结果表明,混合油藏外边界将产生复杂的地层压力分布,压力分布随地层方位的不同而不同,同时说明,有限元法用于求解复杂边界条件的渗流问题是方便有效的。
2.
It is meaningful to study solutions to closed boundary value problems for equations of mixed type,which is closely related to physical phenomena.
混合型方程的封闭边界值问题的解的研究是很有意义的,它与物理现象紧密联系在一起。
4) Multi-loops
多封闭环
5) Form closure
形封闭
1.
The representational and the judgmental methods for four-finger grasp in form closure were studied based on the definitions of TRC triangular,and the identification method of ex- istence of feasible grasped position of four edges of the polygonal parts with four fingers in form clo- sure was established.
利用瞬心三角形概念和性质表示平面四指抓取的形封闭性,建立平面四指抓取方案的形封闭性的判别方法,建立四条边界上是否存在形封闭的抓取接触点位置的判断方法。
2.
Adopting the form closure error and the motion transmission error of sine curve to carrying out theoretical analysis of this cam mechanism.
对该凸轮机构采用正弦曲线的形封闭误差和运动传递误差进行了理论分析。
3.
The relative notions of form closure were introduced, some representative methods were reviewed, and their characteristics were identified.
介绍了形封闭的相关概念 ,对抓取规划方法进行了分类 ,介绍了具有代表性的方法并阐述其特点。
6) form-closure
形封闭
1.
This approach can find the feasible clamping regions according to form-closure for workpiece with a pre-defined 3-2-1 locator configuration.
提出一种根据形封闭原理确定工件可行夹紧区域的方法。
2.
The force-closure,form-closure and some indexes for evaluating grasping quality are analyzed.
介绍了常用的抓取模型,分析了接触构形的力封闭与形封闭性及判别条件和抓取质量主要评价指标,归纳了抓取规划和接触力求解的典型方法。
补充资料：凹多边形
Image:11534686683212413.jpg
凹多边形
把一个各边不自交的多边形任意一边向两方无限延长成为一直线，如果多边形的其他各边不在此直线的同旁，那么这个多边形就叫做凹多边形。
凹多边形的内角和的解，其实我们可以通过（n-2）·180来计算。实际上是把大于平角的角划分为两个角（如图）
说明：补充资料仅用于学习参考，请勿用于其它任何用途。