A very significant benefit to the data federation pattern is the ability to mask off many model changes which may be implemented in the source systems.
数据联合模式的一个非常重要的好处是，能够屏蔽在源系统中实现的很多模型更改。
A very significant benefit to the data federation pattern is the ability to mask off many model changes which may be implemented in the source systems.
数据联合模式的一个非常重要的好处是，能够屏蔽在源系统中实现的很多模型更改。
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