By integrating the testers into a large-scale enterprise development project, you can reduce the cost of test-lab management.

通过将测试工具集成到大型的企业开发项目中，可以减少测试实验室管理成本。

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Sheet can be set into the test without special paper and printing alone, just ordinary printing paper or copy paper, effectively reduce the cost.

答题卡可设置嵌入试卷中，无须特殊纸张和单独印刷，只须普通的打印纸或复印纸即可，有效地降低了成本。

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But in many situations, pairwise testing is used to reduce the cost of test and is proven to be practical and effective for many software systems.

但是，在许多情况下两两测试可用于减少测试的成本，并对于许多软件系统在实践中证明是实用和有效的。

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