中间层配合数据存取层中存储的步骤将所需结果显示给用户端(顾客)。
The middle layer coordinates with the stored procedures within the data access tier to present the clients (customers) with the required results.
确定了该子系统的主要功能,并设计了子系统的软件架构、业务逻辑层以及数据存取层。
The major functions of the subsystem are determined and the software frame, service logic layer and data access layer of the subsystem are designed.
这种实现(图3)增加了额外的一层——企业数据总线,它提供对包含于企业应用或是应用下属数据库中的企业数据的存取。
The implementation (Figure 3) adds additional layer - enterprise data bus, providing access to the enterprise data, contained in either enterprise applications or their subordinated databases.
企业数据服务有效地创建了一个抽象层,使业务功能避开数据存取细节。
Enterprise data services effectively create abstraction layer, shielding business functionality from the data access details.
数据访问层负责对存储在企业信息系统(EIS)中的数据进行存取等操作。
The data access layer is responsible retrieving and manipulating data stored in enterprise information systems (EISs).
以建筑物协同设计平台为例,提出了采用不同的数据存取模式存取不同数据的方法,建立了数据库接口层的模型框架并给出数据库系统优化的方法。
In this paper, taking the building scheme cooperative design platform as an example, we bring forward different data access methods for different data and set up the framework of database interface.
数据层基于STEP标准,为应用程序提供统一的数据存取环境;
The data layer provides an uniform data access environment based on the STEP standard;
数据层基于STEP标准,为应用程序提供统一的数据存取环境;
The data layer provides an uniform data access environment based on the STEP standard;
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