数学运算库源码，可用于复杂的数值计算。
Math Library source code can be used for complex numerical calculation.
用大整数运算库实现两种基于环面自同构的算法，并将他们与传统的RSA算法作比较。
Have realized two kinds of algorithms with the large integer operational library in VC, and compare them with traditional RSA algorithm.
Scilab提供了简单的矩阵运算（比如乘法），也提供了高级运算库（比如复数多维算法和相关）。
Scilab provides simple matrix operations like multiplication, plus a library of high-level operations like complex multi-dimensional arithmetic and correlation.
记住，整形数运算要比浮点数运算快得多，因为处理器可以直接进行整型数运算，浮点数运算需要依赖于外部的浮点数处理器或者浮点数数学库。
Remember, integer arithmetic is much faster than floating-point arithmetic, as it can usually be done directly by the processor, rather than relying on external FPUs or floating point math libraries.
大部分数据库系统支持时间戳运算。
为可空类型提供类库支持，包括转换运算符和算术运算符。
Library Support for nullable types, including conversion operators and arithmetic operators.
Skeet还创建了一个名为MoreLINQ的项目，这个类库包含了21个运算符，扩充了标准的LINQ to Objects运算符。
Skeet has created project called MoreLINQ, a library containing 21 operators complementary to the standard LINQ to Object ones. Some of these are.
为了获得这些数据，您可能需要调用Web服务、连接到数据库、执行复杂的逻辑运算或从多个数据源汇总数据。
To obtain this information, you may invoke a Web service, connect to a database, perform complex logic, or aggregate data from multiple sources.
Wheeler先生表示，该系统由新的搜索技术、强化的计算机运算性能以及Amadeus拥有的庞大的航空、酒店和景点数据库所推动。
Mr. Wheeler said the system is enabled by new search technologies, increased computer-processing power and Amadeus’s access to large amounts of data about flights, hotels and destinations.
选择orchestrateSchemadefinitions菜单项将开始使用PX运算符导入文件定义或数据库表模式。
Selecting the Orchestrate schema Definitions menu item starts the process of importing the file definition or database table schema using the PX operators.
对于Web应用程序，数据源通常是一个关系数据库，其中内置了一些搜索功能(Equality是一个简单的搜索运算符，与SQL运算符like一样)。
For a Web application, the data source is commonly a relational database, which has some forms of search built in. (Equality is a simple search operator, as is the SQL operator LIKE.)
Tony和我在我们的actor库中使用case-match运算符（===）来选择特定种类的消息去等待。因此。
Both Tony and I use the case-match operator (===) in our actor libraries to select the sorts of messages to wait for, so this gem can be quite useful there.
和关系数据库中的连接运算一样，结构连接顺序的选择是XML数据库查询优化的核心。
As join operation to relational database, structural join order selection is at the heart of query optimization in an XML database.
此算法只扫描一遍数据库，并且二进制数的位运算速度比候选集与事务记录的比较运算速度要快得多。
This algorithm scans the data base only once and the speed of binary operation is faster than the speed of comparison of item sets and transactions.
本文通过分析数据库应用系统中常见的几种运算，提出了如何构建SQL语句，才能达到运算的优化，提高系统运行速度。
Based on the analysis to several usual operations in data base application system, the optimized strategy on how to construct SQL sentence to improve operation speed is studied in this paper.
本文针对海量离散数据的特点，借鉴分布式数据库、并行运算、网格计算及多线程的思想，提出了一套海量离散数据快速检索方法。
According to the feature of mass discrete data, an efficient retrieval method is stated by referring to the philosophy of distributive database, parallel computing, grid computing and multi-threading.
本文分析了并行数据库中各结点的负载平衡问题，提出了一个高效且保持负载平衡的并行连接运算算法，并进行了模拟实验。
This paper analyses the problems of load balancing on every site in parallel databases, presenting a parallel join algorithm with high efficiency and load balancing and analogue experiments are made.
空间连接运算是空间数据库中的一种基本操作，但它也是最复杂、最耗时的操作之一。
Spatial join is one of the most complex and time-consuming operations in spatial database systems.
然而，某种数据库中间件(如：MOCHA)为了减少网络数据传输量，实现查询优化，就把部分代码类迁移到近数据库站点进行数据缩减运算。
However, in order to optimize the query operation, Some database middleware such as MOCHA ship part of codes to the distant sites which are close by the database.
而关系数据库标准查询语言SQL没有除法运算符，不能直接作除法。
However, there are no division symbol in SQL, so the division can not be operated directly.
这个方法可以利用关系数据库运算实现，而且不要求预先指定类数。
This method can be implemented by the calculation of the relational data base, and it is not necessary to fix Numbers of classes in advance.
数据库中多个实体呈树形关联时，对海量数据作多层实体连接运算时要消耗系统大量的内存资源。
Vast memory resource is consumed when great capacity data is retrieved while many layers of entities in a database are re - lated like a tree and join operation is carried out.
高质量的大语料库合成系统对存储资源和运算能力要求比较高，从而限制了它的应用范围，主要用在服务器级和桌面级。
But high-quality speech synthesis system has high computing complexity and large resource consuming, so it is limited in the application on server and desk platform.
在本部分中，我们将创建简单的标准数学运算(如加法和乘法)库，并将演示应用程序如何使用此库。
In this section, we will create a simple library of standard math operations such as addition and multiplication, and we will show how applications can use this library.
如果对如何将运算符用于某个特定数据库有疑问，请参见所用数据库的文档。
If you have questions about how to use operators with a particular database, refer to the documentation for the database that you are using.
对数据库运算有很多并行算法。
There are a lot of investigating on parallel algorithms in database.
针对某行业产品包装中标准托盘包装的利用率低的情况，提出非标准托盘的尺寸设计问题，并运用SQL数据库的运算功能实现了非标准托盘尺寸的优化设计。
According to the low packing ratio in a industry, the nonstandard tray sizes designing problem is proposed, and the SQL database techniques is applied to solve the problem.
第十一章中，我们将会了解到迭代器提供运算是使用标准库算法的基础。
In Chapter 11 we'll see that the operations an iterator supports are fundamental to using the library algorithms.
第十一章中，我们将会了解到迭代器提供运算是使用标准库算法的基础。
In Chapter 11 we'll see that the operations an iterator supports are fundamental to using the library algorithms.
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