mutual-circular material flow 梯级循环物质流
descend mutual-circular material flow 梯级循环物质流
material flow single circular model 物质流单循环模型
Circular economy demands restructuring economic system by the rule of material recycle and energy flow in natural ecological system.
循环经济倡导按照自然生态系统物质循环和能量流动规律来重构经济系统。
The propagation characteristics of vibrational energy flow in circular cylindrical shell with finite region of material discontinuity are investigated by wave motion approach.
运用结构振动的波动方法对有限长的材料不连续区域在圆柱壳中的能量流传播特性进行了研究。
"Cycle" of Circular economy industrial park consists of four elements: infrastructure cycle, material flow cycle, energy flow and information flow in the loop.
循环经济工业园区的“循环”包含四大要素：基础设施循环、物质流循环、能量流循环以及信息流循环。
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