And in macroscopic view, it also helps reduce the whole cost for environmental control and optimal allocation of resources in the whole society.
宏观上，排污权的交易有利于降低整个社会控制环境总成本和实现资源优化配置。
The recoverers were environmental type apparatuses with low energy consumption and low operation cost because of realizing DCS automatic control.
该回收装置实现了DCS自动控制，运行成本低，是一种节能降耗的环保型装置。
However, current accounting practice does not take environmental resources into accounting items and can't check and control the environmental cost of resources loss.
然而，当前的会计核算办法并未将环境资源列入会计要素，不能核算和监督资源损耗的环境成本。
With regard to the former, the article holds the idea that all types of outer environmental cost can be collected and calculated under an external force in terms of pollution prevention and control .
对于前者可通过外部强制力，以污染防治为基础，对各种外部环境成本加以计量和计算。
So how to optimize the design of subway environmental control system and decrease its operating cost is an important topic worthy of concern.
因此如何优化设计地铁环控系统，降低环控系统运行费用，是值得关注的一个重要课题。
The invention has the advantages of simple process, low processing cost, high processing efficiency, strong technical control ability, environmental protection, and the like.
具有制造简单、加工成本低、加工效率高、工艺控制能力强、绿色环保等优点。
The invention has the advantages of simple process, low processing cost, high processing efficiency, strong technical control ability, environmental protection, and the like.
具有制造简单、加工成本低、加工效率高、工艺控制能力强、绿色环保等优点。
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