物质循环、再生利用的生态学原理是自然资源和环境从有限到无限的生命原则。
Circulating and regenerating mechanism make the natural resources from finite to infinite and it is the life rule for ecosystem.
物质循环、再生利用的生态学原理是自然资源和环境从有限到无限的生命原则。
Circulating and regenerating mechanism make the natural resources from finite to infinite and it is the life rule for ecosystem.
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