There are many ways to measure the efficiency, the index system and the DEA method is two very commonly used methods.
测算效率的方法有很多，采用指标体系方法和DEA方法是非常常用的两种方法。
This article introduces the DEA method into the evaluation of cash utilization efficiency in the biological medicine companies and carries on the comprehensive analysis on it in the sample company.
将DEA方法引入到生物医药行业上市公司现金使用效率的评价中，对样本公司的现金使用效率进行了全面的分析。
At last, according to the virtual water efficiency within eight countries and DEA (Data Envelop analysis) method, the paper makes compare and analysis and also supplies related measure and suggestion.
最后，运用数据包络分析的方法，结合世界上八个国家的虚拟水使用效率，进行了比较分析，同时给出了相关的对策以及建议。
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