Because component tests deal with multiple layers of an architecture, they often deal with databases, file systems, network elements, etc.

由于组件测试处理一个架构的多个层次，所以它们经常用于处理数据库、文件系统、网络元素等。

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In effect, the heterogeneity of the external systems influences multiple layers of the architecture (to be covered in the next article of this series).

从效果而言，外部系统的异构影响着体系结构的多个层(将在本系列下一篇文章中讨论)。

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In effect, the heterogeneity of the external systems influences multiple layers of the architecture (to be covered in the next article of this series).

从效果而言，外部系统的异构影响着体系结构的多个层(将在本系列下一篇文章中讨论)。

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