The data-flow specification is a specific type of metadata.

数据流规范是一种特定类型的元数据。

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When any of the source models change, data-flow specification and possibly the target model will need to be adjusted.

当任何源模型发生了更改，可能需要对数据流规范和目标模型进行相应的调整。

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This can require iterative refinements of the data-flow specification and applying the specification in test environments to prove the correctness.

这可能需要对数据流规范进行反复的细化，并在测试环境中应用该规范以证实其正确性。

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Other changes in the specification will allow better guesses at data flow and lower latency storage devices.

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