The goal of the data Access Object pattern is to provide a single point of contact to a particular data source.

数据访问对象模式的目的是提供到特定数据源的单个联系点。

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The goal of the data Access Object pattern is to provide a single point of contact to a particular data source.

数据访问对象模式的目的是提供到特定数据源的单个联系点。

youdao