其常见的替代制冷剂多为国外公司的定型产品，并且仍具有较高的GWP 值。
Most of their alternative refrigerants are finalized products of foreign corporations, which still have high GWP .
阐述了解不确定型决策分析问题的实质就是将益损值矩阵经变换向量转换为一维压向量。
The essential for resolving uncertain decision-making problem is how to transform the benefit and loss matrix to the compressed real vector with one dimension.
首先建立了求解每个D MU的最高效率值和最低效率值的确定型DEA模型，从而求得每个D MU的区间效率值。
Accurate DEA models of obtaining the highest and lowest efficiency score of each DMU are proposed firstly. As a result, an interval efficiency score of each DMU is gotten.
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