数据层

数据层存储着系统的所有数据，根据Web层的请求查询满足条件的数据返回给Web层。

The data tier restores all data and sends data to Web tier according to query directives .

NET的四层结构，即：用户浏览层、Web服务层、逻辑实现层、数据层。

NET : client browse tier , web server tier , logic implement tier , data tier .

基于SVM的数据层多源ITS数据融合方法初探

An Support Vector Machine-Based Approach to Data-Layer Multi-Source ITS Data Fusion

这个端到端XML体系结构包含三层&数据层、UniversalServices层和用户交互层

The end-to-end XML architecture contains three layers & the data layer , the Universal Services layer , and the user interaction layer

对该系统架构中的数据层、服务层、Web层进行了具体的设计，最后完成了商品浏览、购物以及处理等主要模块的实现。

Data hierarchy , services layer and Web layer have been designed in detail , thus the main modules including commodity browse , shopping and handling get realized .

详细分析了基于Web的组态工具模块和数据层模块的功能和特征，并为模块功能的实现提出了一种可行的方案。

It is focuses on laboring the function and character of web based configuration tool and data gathering tier , and work out a feasible design scheme for them .

应用软件采用J2EE三层（应用层、逻辑层和数据层）架构体系，模块化设计。

And the application software adopts the module design of J2EE programming method ( Application layer , Logic layer and Data layer ) .

该站点由于使用了MVC模式，其表示层和数据层已经完全分开。

The Web site has a very clean separation of the presentation and data layers because it uses the MVC pattern .

数据层包含已定义的XML文件，Spring框架会使用这些文件并作为POJO返回到模拟器服务层。

The data layer consists of defined XML files that will be consumed by the Spring framework and returned as POJOs to the simulator service layer .

该LBS系统采用分层结构：用户层、位置信息服务层和GIS空间数据层。

The LBS system is divided into three levels & user level , the location based service level and the GIS spatial data level .

该系统选取JSP（JavaServerPage）作为设计的开发语言，采用表示层、应用层、数据层三层式体系结构。

The system choses JSP ( Java Server Page ) as the develop language of the device , it uses expression layer 、 application layer 、 datum layer three layers attachment .

系统安全设计从物理层、系统层、数据层三个方面对数据的安全性进行了控制。通过VPN（虚拟私有网络）和防火墙技术，可以保证内部网资源与外部网的双重隔离。

System safety design controls safety of datum from three aspects , " Physics Level ", " System Level " and " Data Level " .

采用MVC模式实现面向对象技术开发，实现了数据层、业务层、用户表示层（用户界面）的分离，链接SqlServer后台数据库。

MVC model using object-oriented technology development and the data layer , business layer , user presentation layer ( user interface ) of the separation , articulated SQL Server backend database .

MVC架构模式把交互系统分解成模型、视图、控制器三个部分，很好地实现了数据层与表示层的分离。

It analyzed the interactive system into three sections including model , view and controller . Then , it realized the separation of data and express .

此框架使用的是MVC设计模式，其最主要的目的是分离一个软件应用程序的数据层和表示层。

The framework uses the MVC design pattern , the primary goal of which is to separate the data and presentation layers of a software application .

以JSP表示的表示层通常不应该直接与数据层交互，因此也不应该进行数据库查询。

The presentation layer , represented by the JSPs , should generally not interact directly with the data layer and hence should not be making database queries .

系统架构由用户层、服务层、业务层和数据层组成，服务层主要利用了能够消除编程语言、平台差异、协议差异、数据结构的差异WEBService集成技术。

System architecture consist with the user layer , service layer , business layer and data layer , service layer can eliminate the main advantage of the programming language , platform differences , differences in protocol , data structures Web Service integration technologies . 2 .

利用存储过程来实现数据层服务，以及构造数据服务层的基类，在NET平台下实现统一的数据操作的入口。

The dissertation emphasizes on how to make use of storing process to realize data layer service through storage , base class in constructing the data service layer , and entry to the unified data operation based on . net platform .

利用程序抽象技术，以信息隐藏为基本手段，通过建立抽象数据层，探索出一条提高MIS软件质量的技术方法。

Taking message hiding as a basic method , a technique that can improve the quality of MIS software is figured out by means of program abstracting and setting up Abstract data layer .

基于Web服务，开发了分布式的业务应用层，实现了跨平台、跨语言的模型算法调用，提出了简化数据层的框架，避免了传统数据层框架的复杂配置，优化了数据的访问。

The Web Service technique is applied to the design procedure of business layer that the feature in different models and algorithms , cross platform and language , is achieved . The simple data layer is proposed to avoid the complex configure of tradition data layer framework .

本文对原系统模型加以改进，在Struts框架下引入持久数据层，hibernate技术能解决访问数据库带来的复杂编码和大量维护的问题。

This thesis improves on the original system , introduced persistent data layers in Struts framework and using hibernate visit database will solve the problems of complex coding and a great deal maintenance .

个人办公模块利用UML给出了该模块与整个系统软件体系结构相对应的表示层、业务层、数据层的静态模型和各层间传递消息的动态模型。

Utilizing UML in the Personal Office Module , the static model of Presentation Layer , Data Access Layer and Business Logic Layer according to the global system software architecture and the dynamic model of message conveying among layers are given .

应用MVC设计模式给出模型在J2EE上总的实现方法，构造了数据层、商业逻辑层和显示层的对象模型。

Finally based on JAVA 、 EJB component technology , a realization strategy with the application of MVC pattern on J2EE is proposed and objects of database layer , business layer and view layer are constructed in this paper .

这包括UI层（用来标识要执行创建、读取、更新和删除（CRUD）操作的对象）以及服务和数据层。

This includes the UI tier for identifying objects on which create , read , update , and delete ( CRUD ) operations will take place as well as the service and data tiers .

通过对用户层、应用层和数据层实现方法的分析，研究提出了基于三角划分河道动态分段方法和渲染技术，实现了水质污染扩散过程在云端GIS环境下的动画模拟和动态渲染。

By analyzing the specific realization method of presentation layer , application layer and data layer , a channel dynamic segmentation method and rendering technology based on triangulation was proposed , realizing water pollution diffusion process in the clouds GIS environment of animation simulation and dynamic rendering .

此外，论文重点研究了系统的三层OLA架构（显示层、逻辑层和数据层）和开放的集成、数据的复制与同步技术。

In addition , OLA framework ( presentation layer , logical layer and data layer ), open integration , and datum 's duplication were researched .

EFCS-DMS系统为一个四层结构：数据层、接口层、服务层、用户应用层。其中，服务层是EFCS-DMS系统的关键层，是整个系统的核心部分。

There are four layers in the EFCS-DMS , including data layer , interface layer , service layer and application layer .

本文基于SPMD并行计算模型，采用层次式结构模式将并行向量库划分为四个层次：应用组件层，抽象数据层，数据划分层和并行支撑层。

Using hierarchical framework , we divide the parallel vector library into four layers based on SPMD parallel computing model : Application Component Layer , Abstract Data Layer , Data Mapping Layer and Parallel Abstraction Layer .

针对培训服务的架构模型，从WCF数据层、WCF服务层设计与实现培训服务，利用ⅡS对培训服务进行统管理，实现客户发现和调用服务的过程。第四，培训服务的开发与集成。

In view of the architecture model for training services , we use ⅱ S unified management services to achieve customers-find and invoking services process from the WCF data layer , WCF service layer . Lastly , the development and the service integration of training service .

maxExtents参数限制了查看者所能平移的最大程度，并且必须指定它来避免异常操作，尤其是在使用多个数据层时。

The maxExtents parameter restricts how far the viewer can pan , and it must be specified to avoid strange behavior , particularly when using multiple data layers .