更健壮且更实际的系统测试应用程序

More robust and realistic system test application

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所以在实际的系统实现中，第二个选项很少使用。

So the second option is rarely used in real-world system implementations.

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跨多个迭代增量地构建更健壮且实际的系统测试应用程序。

A more robust and realistic system test application incrementally built across multiple iterations.

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And, that can be anything from a computer to a living system.

它们产生于一台电脑,最后变成一个实际可用的系统。

麻省理工公开课 - 固态化学导论课程节选