By means of quantitative evaluation on each constitutional element in the system, the hierachical selection of object of study for product innovation shows clearly for designers the direction of product improvement.
By means of quantitative evaluation on each constitutional element in the system, the hierachical selection of object of study for product innovation shows clearly for designers the direction of product improvement.
通过对系统内各构成元素的定量评价，有层次地选择产品创新研究对象，为设计人员指明产品改进的方向。