后期绑定接口将始终选择最新的版本，而早期绑定接口则可以指定要使用的版本。
Late-binding interfaces will always select the newest version, while early-binding interfaces can specify the version to use.
对开发者来说，这意味着可以始终使用最新的代码拷贝。
For developers, this means the ability to always be working with the latest copy of the code.
由于能在接收到集成视图请求时实时地访问源数据，因此数据联合将始终返回最新的源信息。
Due to the real-time access to source data upon receiving a request to the integrated view, data federation will always return the most current source information.
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