（3）产品价值链分析（Product Value Chain） 精益造船把产品生产全过程分成两大部分。一部分叫做有效时间（Value AddedTime），另一部分叫做无效时间（Non—Value Added Tim...
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通过竞争地位的模型分析、价值链分析和产品生命周期分析三条途径来识别企业的竞争优势。
Three ways are proposed to analyze different corporations and then recognize the competitive superiority, i. e., the models of competitive status, value chains and life period of products.
本文在比较分析了传统价值链和环境价值链之间的区别后，提出面向产品生命周期的环境价值链分析是较为完备的评价价值办法。
Analysing the difference of traditional value chain and environmental value chain, we propose that the latter is a better valuation method facing product life cycle.
为了在产品系统中体现环境意识，提出了减小产品环境影响的环境价值链分析方法。
To increase environmental protection awareness in product system, life cycle Assessment (LCA) was adopted widely to evaluate quantitatively the lifecycle environmental impact of products.
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