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Ökobilanz f
environ.	生态平衡 (生态平衡指的是能量和资源的消耗及特定产品在其生产周期中产生的污染。整个产品的生命周期，从获取原料、生产和使用，一直到废弃物的回收和最终处置的过程均被追踪。)
patents.	生命周期评价