炮眼的制作应用了布尔运算。
使用布尔运算符执行多个关键字搜索。
一个因素显眼缺少一套布尔运算是异或。
One element conspicuously missing from the set of Boolean operations is that of Exclusive-OR.
实体线、实体面，一般用来执行布尔运算。
请注意，可使用布尔运算符组合多个条件。
Note that multiple conditions are combined by using Boolean operators.
在与布尔运算符用于创建更复杂的表达式。
Used in conjunction with Boolean operators to create more complex expressions.
二维布尔运算是计算机图形学中的基本算法。
The Boolean operation is a primary algorithm in computer graphics.
提出了一种基于三维网格模型的布尔运算方法。
A kind of Boolean operational method based on a three-dimensional grid model was proposed.
三维实体布尔运算。
多边形的布尔运算是计算机图形学的一个关键算法。
Polygon Boolean operation is a key algorithm way in computer graphics.
给出一种稳定、高效的三维网格模型的布尔运算算法。
This paper proposed a stable and precise algorithm for 3d mesh model.
子表达式运营商。在与布尔运算符用于创建更复杂的表达式。
Subexpression operators. Used in conjunction with boolean operators to create more complex expressions.
在同一三向DEXEL模型空间，实现并、交、差布尔运算。
Under the same three directions DEXEL space, Boolean operations such as union, intersection, and subtraction are implemented.
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。
There define the Boolean operations for Boolean algebra of two and four elements, respectively.
它使你的条件表达式变得更加可读，避免了布尔运算符的使用。
It makes your conditional expressions more readable; avoiding the use of Boolean operators.
该算法避免了轮廓环等距、自交处理和布尔运算等复杂的计算过程。
With this algorithm, the complicated calculation procedures such as profile loop offset, self-intersection and Boolean operation are avoided.
把全部有效实体单元进行3维实体布尔运算，得到牙齿的实体模型。
All obtained valid 3d solid elements are combined with Boolean operation, and the volumetric model of a tooth is then achieved at last.
基本搜索允许您使用+和-，但不能使用布尔运算符或更复杂的表达式。
Basic Search allows you to use + and - but you can not use Boolean operators or more complex expressions.
讨论布尔运算的并集、交集、差集运算原理在电脑美术设计中的应用。
The theories of Boolean operations union, intersection and subtraction operation in the com puter arts design are discussed.
布尔运算是造型的基本算法之一，它有较高的通用性和低效率的特点。
Boolean operation is one of the basic algorithms in molding, and it has the characteristics of general use and low efficiency.
一个表达式就是一系列由布尔运算符and或or连接的一个或更多查询项。
An expression is defined as a series of one or more query terms joined by the Boolean operators and or or.
过滤条件可以指定为列名，其后跟等式、不等式或布尔运算符，然后是过滤值。
Filter criteria are specified as the column name, followed by an equality, inequality, or Boolean operator, followed by the filter value.
一种布尔运算，当且仅当每个操作数都具有布尔值0时，其结果才具有布尔值0。
The Boolean operation whose result has the Boolean value 0 if and only if each operand has the Boolean value 0.
在提出的基于DEXEL体造型系统中，通过布尔运算可很容易设计这些复杂结构。
But by using the DEXEL based on modeling system and Boolean operations, it becomes easy.
一种布尔运算符，当与其相关联的两个变量中仅有一个为真时，其真值表才取值为真。
Boolean operator that gives a truth table value of true if only one of the two variables it connects is true.
17 Google加进对OR运算符，终于开始支持布尔运算符了(2001年1月份)。
Google has finally begun introducing some support for Boolean operators with the addition of an or operator. "(that's from January 2001)."
研究了二层树结构CSG模型一维布尔运算的快速算法，并给出了在图形显示应用中的实例。
The one-dimensional Boolean evaluation algorithm for two-level CSG model is explored and its application in the shading image processing is implemented.
GANF是用神经运算器代替级叠滤波器中的布尔运算器后得到的一类非线性自适应神经滤波器。
GANF is a class of nonlinear adaptive filter achieved by replacing the Boolean function operator with a neural operator.
通过多面体的三向DEXEL模型与并、交、差布尔运算，生成任意复杂型体的三向DEXEL模型。
A DEXEL-oriented algorithm of polyhedrons was proposed and a three direction DEXEL model was constructed.
本文主要研究了两方面内容：基于点模型的布尔运算及其融合方法；基于网格模型的离散曲面融合方法。
This thesis studies two aspects: the Boolean operations on point models and the fusion; grid-based model of discrete surface fusion method.
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