下一版本应该把重点放在服务接口，而不是数据访问和业务逻辑层。
The next version should focus less on the data access and business logic tiers and more on the service interface.
许多用户都用自己的数据访问层，使用自己的API编写业务逻辑。
Many users have their own data access layer, with their own APIs, to which the business logic is coded.
应用定制：在UI、业务逻辑和数据访问层，针对租户的元数据驱动的应用扩展。
Application customization: metadata driven application for tenant extensions at the UI, business logic and data access layers.
该层的作用在于针对不同的数据存储技术，从业务逻辑中分离数据访问代码。
The power of this layer is in separating data access code from the business logic for disparate data store technologies.
资源访问层，包含了访问数据所必需的逻辑。
The Resource access layer, which contains the logic necessary to access data.
逻辑层将概念体系结构划分为在应用程序内扮演特定角色的组件，如表示层、应用程序逻辑层、业务流程层和数据访问层。
Logical tiers divide the conceptual architecture into components that play specific roles within the application, such as presentation, application logic, business processes, and data access.
这些底层数据调用整合到数据访问层中，对于业务逻辑是不可见的。
These underlying data access calls are thus consolidated in the data access layer and hidden from the business logic.
业务规则可以集中到业务逻辑层，该层充当表示层和数据访问层之间的数据交换的中间层。
Business rules are centralized into the business logic layer that serves as an intermediary for data exchange between the presentation layer and the data access layer.
而业务逻辑层则请求数据访问层处理数据持久性。
The Business Logic Layer, in turn, requests that the data Access Layer deal with data persistence.
Spring框架用于将数据访问层、业务逻辑层和表示层中的各组件结合在一起。
Spring framework is used to tie together the components in the Data Access Layer, the Business Logic Layer, and the Presentation Layer.
至此，已经完成客户端对自定义授权与重置密码的数据访问层逻辑。现在看看客户端。
So far, we have finished examining the server-side data access layer logic for custom authentication and reset password. We will switch to the client side next.
DECP由数据访问层、业务逻辑层、安全代理、数据传送代理、客户代理、消息层、事务管理器七个部分组成。
DECP is made up of data access layer, business logic layer, security proxy, data transport proxy, client proxy, messages layer and transactions manager.
NET开发方式的应用表示层、业务逻辑层、数据访问层和数据存储层四层结构。
NET exploiture method: application expression layer, operation logic layer, data interview layer and data storage layer.
逻辑层分配了一个用来写数据到存储设备的缓冲区，物理层管理对存储设备的访问。
The logical layer allocates a buffer to use to write data to a storage device. The physical layer manages access to the storage device.
逻辑层分配了一个用来写数据到存储设备的缓冲区，物理层管理对存储设备的访问。
The logical layer allocates a buffer to use to write data to a storage device. The physical layer manages access to the storage device.
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