通过测试常见故障，您可以帮助论证附加的冗余成本的合理性。
By testing common failures, you can help justify the additional costs of redundancy.
实际上，为了在提供合理性能的同时保留初始的查询语义，我们需要反复地设计、编码和测试。
Indeed, preserving our original query semantics while providing for reasonable performance often required iterative design, coding, and testing.
这个小组给NRC的报告中指出，没有证据可以证明谎言测试的准确合理性。
The panel's report to NRC found no evidence of polygraph validity.
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