它要求把经济活动组织成一个“资源—产品—再生资源”的反馈式流程，其特征是低开采、高利用、低排放。
It requires all of the economic activities to organize into a "resources-renewable Resources" feedback process, which is characterized by the low exploitation, high utilization and low emissions.
循环经济是应用生态学指导的反馈式物质流程，其原则是减量化、再利用、再循环。
Recycle economy is a feedback flow guided by ecology with the discipline of 3-r (Reduce, Reuse and Recycle).
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