截至目前，制造商并未对每种产品都建立起标志其所用材料和运行效能的通用体系。
So far, manufacturers have not established a universal labeling system to indicate the production materials and efficiency of every product.
它是利用材料表面的辐射特性来获得绝热保温效能。
It is the use of radiation characteristics on the surface of the material for insulation performance.
只有以良好的导电性为基础才可能进一步对复合材料的整体结构进行调整，设计出具有更高屏蔽效能的结构复合材料。
Only based on good conductivity we can adjust integral structure of composites more and scheme out structural complex materials that are provided with higher shielding effectiveness.
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