证据理论是一种处理不确定性方法，该理论基于专家的知识和经验进行推理，适用于存在主观不确定因素的决策。

Evidence theory is a method for uncertainty. It can depend on experts' opinion for reasoning, suitable for decision of subjective uncertainty.

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需要找到将不确定性量化的方法。

Ways of quantifying this uncertainty are needed.

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在开发软件的精化阶段中，如果使用降低风险的方法，发现最大的不确定性是十分必要的。

The method for reducing risk entails building software in the Elaboration phase that addresses the most significant uncertainties.

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