一个产品的生命周期通常简化为以下( )四个基本阶段The life cycle of a product is usually simplified into the following four basic stages( )
A.
目的和范围的界定、清单分析、环境影响评价、解释 Goal and scope definition, inventory analysis, impact assessment, interpretation
B.
资源开采与材料生产、产品制造、使用、废物处置 Resource extraction and material production, product manufacture, use of products, waste treatment
C.
设计、施工、投产、运行 Design, construction, production, operation
D.
提出假设、构建模型、数理分析、演绎规律 Making assumptions, settling frameworks, mathematical and physical analysis, deducting rules