为了解决生命周期评价中普遍存在的环境负荷数据向环境成本转换问题，在清单分析的基础上，构建了产品生命周期环境成本评价模型。
In order to solve ordinary problems of transferring environmental loads to environmental cost, environmental-cost-assessment model is designed and created reasonably based on inventory analysis.
在大规模定制环境下，现有的产品数据管理方法和工具在管理产品族数据时，将导致物料清单结构冗余和管理的低效率。
It is redundant and inefficient to manage tne data of product family for mass customization by traditional PDM approaches and tools.
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