While this is just an example, it illustrates the fact that when crossing domain boundaries there is no good reason to do exchange by copy.

这仅仅是一个例子。它说明了这个事实，当跨越领域界限时，很难有好的理由通过复制进行交换。

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Subsequent articles will focus on the joint realization of requirements crossing hardware and software boundaries and multiple viewpoints.

随后的文章将集中在跨软硬件边界和多视点的需求的联合实现上。

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By employing use cases, global test resources gain back some of the knowledge that may have been lost crossing cultural boundaries.

通过使用用例，全球的测试资源挽回一些在跨越文化边境的过程中可能丢失的文化。

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