This paper systematically analyses the method of city carbon emissions calculation, taking Beijing city as a case study.
本文系统分析了城市碳排放的计算方法，并以计算北京市的碳排放作为案例进行分析。
The paper systematically analyses the efficiency of commercial banks in China with the Data Envelopment Analysis (DEA) method.
本项研究基于DEA（数据包络分析）方法系统分析了我国商业银行效率状况。
This paper systematically analyses the reasons of the decrease of water stock number in coal mining areas, and puts forward some rational suggestions.
文章系统地分析了采煤区水资源量减少的原因，并提出了合理的建议。
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