图2简单地指出了Class的概念，这是一种和接口以及数据类型有关(通过从Classifier继承)的高度专业化的元素。
Figure 2 is simply pointing out the concept of Class, which is a highly specialized element that is related to interface and data type (through its inheritance from Classifier).
例如，某个制药企业可能在动物分类中定义一个新的“requires”关系，来指向其他分类中有关兽药疫苗数据的概念。
For example, a pharmaceutical company might define a new "requires" relationship in an animal taxonomy to point to concepts in another taxonomy's data about veterinary vaccines.
这里的术语行和列只具有字面意义，与数据库中使用的行和列的概念没有关联。
The terms row and column here are literally taken and have no connection with the row and column conception used in databases.
数据联合处理有关集成来自异类源模型的数据的问题，包括将这些不同的源模型映射到联合层的公共模型的概念。
Data federation addresses the problem of integrating data from heterogeneous source models and includes concepts to map those different source models into the common model at the federated layer.
应该熟悉下列与 XML 有关的计算机科学概念：树遍历、递归和数据重用。
You should be familiar with the following XML-related, computer-science concepts: tree traversal, recursion, and reuse of data.
为了利用好本教程，您应该具有关系数据库方面的背景知识以及以下概念的基础知识。
For this tutorial to be useful, you should have background knowledge of how a relational database works as well as basic knowledge of the following concepts.
本文论述了运用基于概念的面向属性归纳方法来发现分类规则的有关问题以及数据分类器的实现。
This paper discusses the relevant problems of applying the method of Concept-Based Attribute-Oriented to find classification rule, also expounds the implemented data classifier.
第二章讨论了数据挖掘的有关概念。
本文介绍了数据仓库和ETL技术的有关概念和内容，结合电信业务的特点，构建电信数据仓库的体系结构。
Combined with the characteristics of telecom business service, this paper introduces relevant concepts and contents of data warehouse and ETL telenology to set up telecom data warehouse system.
由于各个国家有关产量、范围、权数、参考时间等数据概念不同，所用的计算方法也不同，因此FAO的指数可能与各国计算的不完全一致。
The FAO indices may differ from those produced by the countries themselves because of differences in concepts of production, coverage, weights, time reference of data and methods of calculation.
该部分从数据库的概念、基本特征引入，对目前学界有关数据库的保护模式作了一个粗略而又全面的介绍。
This part firstly made a rough and comprehensive briefing on database protection patterns from concepts and basic characteristics of the database.
介绍了股票指数波动率的概念和基本的估计方法，并用有关数据进行了计算。
In this paper, the concept and the estimation method of index volatility are introduced.
提供指向有关所包括的工具和如何管理多用户数据库项目的概念性主题的链接。
Provides links to conceptual topics about the tools included and how to manage multiuser database projects.
本文首先分析总结了数据清洗的有关概念，给出了数据清洗中需要解决的质量问题，并总结了解决这些问题的技术和方法。在此基础上提出了以人为中心的数据清洗过程模型。
This paper reviews some concepts on data cleansing, lists the data quality issues needed to be resolved in data cleansing process, and presents the techniques and methods for data cleansing firstly.
这个概念模型缺乏与GUI和数据库访问有关的重要类的细节描述。
The conceptual model lacks detailed descriptions of important classes related to the graphical user inter. face (GUI) and database access.
本文介绍了有关DDE技术的基本概念，并具体分析Model 540并发控制系统如何使用服务器应用程序CCDDE实现数据通信。
This article introduces the concepts of DDE technology, and specifically analyzes how to use Sever Application CCDDE to realize data communication in Model 540 Concurrent Control System.
本文介绍了有关DDE技术的基本概念，并具体分析Model 540并发控制系统如何使用服务器应用程序CCDDE实现数据通信。
This article introduces the concepts of DDE technology, and specifically analyzes how to use Sever Application CCDDE to realize data communication in Model 540 Concurrent Control System.
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