In reasoning process of product conceptual design, expression of knowledge of design problem is a pivotal step.

在产品概念设计的推理过程中，设计问题的知识表达是关键的第一步。

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In reasoning process of product conceptual design, expression of knowledge of design problem is a pivotal step.

在产品概念设计的推理过程中，设计问题的知识表达是关键的第一步。

youdao