The centralized accounting calculation is beneficial to enhance financial management and supervision, to regulate accounting behaviors, and to promote the efficiency of circulation of funds.

会计集中核算，有利于财政资金的集中管理与监督，有利于规范会计行为和提高财政资金的使用效率。

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Proper combination of simple extraction and circulation extraction can increase yield and extract concentration simultaneously on the basis of assurance efficiency.

将简单提取和循环提取适当组合能够在保证效率的基础上使收率和提取液浓度有较大提高。

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A method for calculating circulation efficiency of ideal gas is provided, and it is used for ellipse circulation.

给出了一种计算理想气体循环效率的方法，并对椭圆循环效率做了具体计算。

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While a single wind-turbine does not affect the global atmosphere, the installation of a large number of such devices will interfere with the atmospheric circulation and diminish the extraction efficiency on the large scale, since any extraction of momentum will act in competition with natural wind-power energy dissipation by turbulence in the boundary layer.

FORBES: Researchers Warn Of Climatic Consequences To Harvesting Wind Energy On Mass Scale

Most commercial aircraft in service recirculate 50 percent of the air delivered to the passenger cabin for improved control of cabin circulation, humidity and fuel efficiency.

CNN: Commentary: Flu and your health on a plane