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。
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。
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