Using the virus to make the system assemble itself improves the efficiency of the oxygen production fourfold, Nam says.
使用病毒使这个系统进行自装配使得氧气生产效率提高了四倍,南说。
So far, manufacturers have not established a universal labeling system to indicate the production materials and efficiency of every product.
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。
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