论述了包装生态学与产品之间以及人与自然的关系。
The relationship between packaging ecology and products, and the relationship between man and nature were discussed.
从产业生态学的概念出发，阐述了机械产品回收拆卸与再造的必要性并详细分析了其执行过程和可行性。
The necessity of reclamation, disassembly and reforger of machine is expounded. The implementation and feasibility are analyzed in detail.
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