布尔运算

Secondly, some foundational arithmetic such as the division of concave polygon, the polygons boolean operation, the transform from circle to polygon, the pick-up of model top surface were designed particularly based on OpenGL.

然后，基于图形库OpenGL完成了包括凹多边形的分割、多边形的布尔运算、圆的多边形转化、模型上表面获取等基础算法；并针对已建模工艺设计了相应的仿真算法。

Or and and are boolean, not bitwise.

or以及and是普通的布尔运算，不是逐位元的布尔运算。

There define the Boolean operations for Boolean algebra of two and four elements,respectively.

这里分别定义了具有两个和四个元素的布尔代数的布尔运算。

The first is on the study of spectra technique in boolean function and in its probability function.

得到布尔差分等布尔运算在此映射下的实函数运算，并用有限离散变换实现了从原函数到象函数、到象函数偏差分，以及到布尔差分的象函数的变换，并研究了这一系列变换的性质。

The monadic Boolean operation the result of which has the Boolean value opposite to that of the operand.

一种一元布尔运算，其运算结果的布尔值与操作数的值相反。

This thesis finishes the simulation of NC turning through computer simulation technology and boolean operation method.

本文主要通过计算机仿真技术和布尔运算的方法来实现数控车削加工过程仿真。

The synopsis of Boolean operation's research status quo is offered, and a Boolean operation algorithm based on inner point recognition on the basis of Wu Yunxing's edge recognition is put forward.

摘要论文对二维布尔运算的研究现状进行了概述，在武运兴边界识别算法的基础上提出了一种基于"内点"识别的布尔运算算法。

In order to implement Boolean operations on open or closed mesh models with different complexities correctly,a new algorithm for 3D mesh model by using Boolean operations is presented,which is based on the orientability of manifold meshes and the topological relationship of the meshes.

为了快速正确地对各种复杂程度的网格模型进行空间布尔运算，根据复式网格的可定向性建立各元素间的拓扑关系，并根据这些拓扑关系判断网格面片的最终去舍，得到布尔运算结果。

Concrete algorithm is firstly recognizing 2D feature obtained from geometric entities, then on the instruction of the shape analysis combining with the projective rulers of mechanical drawing, matching three 2D view features, creating 3D basic model, forming a operation list, finically finished 3D reconstruction.

在重建算法上，利用提取的几何实体进行二维视图特征的识别，在形体分析法的指导下，结合制图中的投影原则匹配三维基本形体，最后按照基本体素的运算序列经过复杂的布尔运算完成重建。

The monadic Boolean operation the result of which has the Boolean value opposite to that of the operand.

一种一元布尔运算，其运算结果的布尔值与操作数的值相反。同NOT operation。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失