In addition, the design and implementation of the data access service itself become reusable resources.
此外，数据访问服务本身的设计和实现也可成为可重用资源。
Instead, it accesses an intermediary called a data access service (DAS) and receives a data graph in response.
它访问一个叫做数据访问服务(data access service,DAS)的中介并接收响应中的数据图。
If the highest performance is needed, the data access service can often be implemented as a database stored procedure.
如果需要最高的性能，通常可以将数据访问服务作为数据库存储过程实现。
Placing the data manipulation logic into a data access service or procedure makes the business logic less dependent on the source of the data.
将数据操作逻辑放入到数据访问服务或过程中可减少业务逻辑对数据源的依赖性。
HSDA Server is a kind of EMS Server. It conforms to IEC 61970 HSDA standard, provides high speed data access service, and plays a major role of publishing real-time data in EMS system.
HSDA服务器是一个遵循iec 61970 HSDA规范的服务器，在EMS等系统中，它主要扮演着实时数据发布者的角色，对外提供高速数据访问服务。
The data may be loaded from a data source (using a data Access Service) or created dynamically.
数据可以从数据源加载(使用数据访问服务)或动态创建。
The task of connecting applications to data sources is performed by a data Access Service (DAS) (see Figure 1).
将应用程序连接到数据源的任务是通过数据访问服务(Data Access Service,DAS)执行的(参见图1)。
The data Access Service follows an API description such that third parties can write their own data Access Services to any data source.
数据访问服务遵循相应的API描述，因此第三方可以为任何数据源编写自己的数据访问服务。
The data Access Service follows an API description such that third parties can write their own data Access Services to any data source.
数据访问服务遵循相应的API描述，因此第三方可以为任何数据源编写自己的数据访问服务。
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