风险：理论假定对每个选项结果的概率分布具有准确的知识，以及。
Risk: theories that assume accurate knowledge of a probability distribution of the consequences of each alternative, and.
确定性：理论假定决策制定者对每个选项后会随之发生的结果拥有完全且准确的知识。
Certainty: theories that assume the decision-maker has complete and precise knowledge of the consequences that will follow on each alternative.
资源网格为产品设计提供一种有效的服务，使用户得到准确的知识、信息和数据。
The resource grid provides an effective serving for product design that it enable user to acquire knowledge, information and data accurately.
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