研究了如何在产品的需求设计阶段估算其成本，提出了基于需求成本特征的需求产品成本分析方法。

How to evaluate the product cost in the phase of requirement design was researched and a cost analysis method of requirement product based on requirement cost features was presented.

youdao

研究了如何在产品的需求设计阶段估算其成本，提出了基于需求成本特征的需求产品成本分析方法。

How to evaluate the product cost in the phase of requirement design was researched and a cost analysis method of requirement product based on requirement cost features was presented.

youdao