For the case of the reliability statistical test which is a small sample, this paper presents disadvantages of point and interval estimation of classical reliability.

本文针对小子样可靠性统计试验的特点，指出经典可靠性点估计和极大似然区间估计的不足。

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Based on the condition, to adjust rank order with semiparametric method for statistical inference is more reasonable in two sample rank test.

根据这一情况，本文用半参数方法来校正秩次，使两组秩和检验的统计推断更为合理。

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Special control software provides the group sample statistical analysis, test curve superposition analysis, as well as historical data comparison and so on the many kinds of practical function.

专业的操控软件提供了成组试样统计分析、试验曲线叠加分析、以及历史数据比对等多种实用功能。

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