某些数据服务可能只能由基于这种功能的某些传输工具提供。

Some data services might be offered only via a certain transport based on the functionality.

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每个服务都将功能和数据公布给服务消费者，与此同时，它必须满足约定的服务级别，包括数据精确性、响应时间等。

Each service exposes function and data to the service consumers, and, in doing so, it must meet agreed service levels including data accuracy, response times, and the like.

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虽然联邦服务器可以弥补数据服务器上的功能缺失，但这要求操作发生在联邦服务器上。

The federated server can compensate for the lack of function at the data server, but doing so might require the operation to take place at the federated server.

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