In order to estimate the reliability of surface area measurement, interval estimation must be given together with point estimation.

为了对比表面测定结果的可靠性作出估算，除了给出点估算值外，还应同时给出区间估算直。

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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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For dynamic reliability analysis of stochastic structures under non-stationary random excitation, a new dynamic reliability assessment method is presented based on the point estimation.

针对随机结构在非平稳随机激励下的动力可靠性分析问题，提出了基于点估计法的随机结构动力可靠性分析方法。

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