人的可靠性分析最早来自人机工程学界，在结构工程中研究较少。

HRA is come from ergonomic educational circles at first, studied less in structure.

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随着机器设备的可靠性不断提高，人的可靠性分析研究日益得到重视。

Along with the reliability of machines and equipments is constantly improved, the focus of system reliability has switched to human reliability analysis.

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认知可靠性和失误分析方法(CREAM)是第二代人的可靠性分析方法中的代表方法之一。

Cognitive reliability and Error analysis method (CREAM) is one of the representative second-generation human reliability analysis methods.

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