It provides reliable measuring data of seal performance for designers, and has been proven in applications with good results, so that the early failure rate was obviously reduced.

为液压缸设计人员提供密封性能的可靠实测数据，并经使用，效果良好，使液压缸产品的早期故障，有较大幅度地下降。

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Inaccuracies in the present proportionate stratified sampling algorithm based on fuzzy failure rate data is one main cause which makes the testability demonstration results untrustworthy.

现有的分层抽样算法中故障率数据不准确是导致测试性验证试验结果不可信的一个原因。

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Failure Rate Data?

故障率数据FRD ？

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Ms. Bonaffini examined a sampling of data from these states and it showed "an extremely high failure-to-report rate, " the document said.

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