资源产品贸易的环境影响及隐含环境流分析——以铜资源为例
邸敬涵, 温宗国

Environmental impacts and embodied environmental flows of the international trade of resource products: A case study of copper
DI Jinghan, WEN Zongguo
图3 资源产品生产加工生命周期评价的系统边界
Figure 3 System boundary of the life cycle assessment of producing and manufacturing resource products