For the basic application, the data layer is very simple.
对于基本的应用程序,数据层非常简单。
Points of variability must also exist in the data layer.
数据层中也一定存在变化点。
The Data Layer contains the Business Intelligence data stores.
数据层(Data Layer)包含商业智能的数据存储。
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;
数据层基于STEP标准,为应用程序提供统一的数据存取环境;
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