例如，这种理论模型允许用更有效的等价操作来代替关系代数操作同时不影响结果。
This theoretical model allows, for example, that relational algebra operations to be replaced by more efficient equivalent operations whereas not interfere with the result.
通常系统采用基于关系代数操作，请求分解定位和存取路径的优化三种技术对请求进行优化。
The system always adopt three kinds of technology that base on relational algebra operation, request decomposit localization, access route optimization to make optimization.
DB 2UDB没有为位数据类型或布尔数据类型提供本机支持，它既不支持逐位操作，也不支持布尔代数操作。
DB2 UDB does not have native support for bit or Boolean data types, neither for bitwise operation nor for Boolean algebra operations.
那些作者显示马克斯·韦尔的方程序怎样可以被表示并且透过空间时间代数操作和几何学的代数怎样显示电磁波的极化作用的状态。
The authors show how Maxwell's equations can be expressed and manipulated via space-time algebra and how geometric algebra reveals electromagnetic waves' states of polarization.
虽然二维数组与线性代数中的矩阵类似，但是对它们的操作(比如乘)与线性代数中的操作(比如矩阵乘)是完全不同的。
Even though two-dimensional arrays are similar to matrices from linear algebra, operations (such as multiply) have nothing to do with the operations in linear algebra (such as matrix multiplication).
例如，Clojure有一个友好的Set及Set操作实现，以及一些准关系代数实现。
For example, Clojure has a delightful implementation of sets and operations on sets, as well as some quasi-relational algebra thrown in for good measure.
此外，您可以使用该操作来迭代数组(包括基本类型数组)中的元素。
In addition, you can use this action to iterate through the elements of an array, including arrays of primitives.
让我们说，你不得不通过3-4个操作，才能得到最终的数，好吧，用代数方法求解。
Let's say you have to go through three or four operations to get a final number, well, do it algebraically.
使用mkewuid 这样的脚本生成EWU值有许多原因，这对现代数据中心环境的操作和管理非常重要。
The reasons for using a script mechanism, such as mkewuid, to generate EWU values are numerous and important for the operation and management of a modern data center environment.
本文提出了数据超立方体模型，并在代数表达方面进行了改进，使得其可以支持OLAP操作。
In this paper, we address this issue by proposing a model of a data-cube and an algebra to support OLAP operations on this cube.
由于在布尔代数中，不管有多少数目多少算术操作，就只有0和1两种可能。
Remember that in the world of Boolean algebra, there are only two possible values for any quantity and for any arithmetic operation: 1 or 0.
本文提出了一种新的求解操作器运动学逆问题的分解解法，它是对现有的代数解法和几何解法的综合。
This paper combines the algebraic method and geometric method and presents a new resolution meth-od of solving the inverse kinematic problems of manipulators.
实例证明，本方法可以和已有的抽象代数系统联系起来，从而为控制数据对象上的各种操作提供可靠的理论依据。
Through an example we can prove the probability of associating it with the existing algebraic system, and provide a reliable theoretical basis for controlling the various operations in data objects.
构造类别代数的形式化描述方法能够将协议的数据流和控制流在统一的公理语义和操作语义前提下进行描述。
The formal methods based on Construct Category Algebra can use the same axiom semantics and operation semantics to specify the data-flow and control flow of a protocol;
为此，文中用面向对象的知识表示方法描述并建立本体，并以此为基础形成领域操作代数系统和智能体服务描述语言。
The paper describes and develops ontology by object-oriented knowledge representation, hence the representation leads to domain algebra system and agent service description language.
在关系数据库中，关系代数中一种操作。
In relational databases, an operation in relational algebra.
我们的代数语义相对于前面所作的操作语义模型来讲是可靠的，即所有的这些代数规则左右两边的进程在操作语义的观察模型下都是互模拟的。
All the laws presented above are sound with respect to the operational semantics , i . e. , if the two processes are the two sides of a law, then they are bisimilar.
对原始收益率序列进行置乱操作和替代数据处理，发现收益率序列的分布特征是多重分形谱产生的重要原因。
After original returns series are conducted by permuting and surrogate data, it is found that distributing character of returns is important source of multifractal spectrums.
获取或设置操作的迭代数。
获取或设置操作的迭代数。
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