CRM有效性
effectiveness of customer relationship management
DEA有效性评价
DEA efficiency evaluation
validity appraisal of data envelopment analysis DE
N-S方程有效性
validity of N-S equations
Pareto有效性定理
Pareto efficiency theorem
PF3有效性
Platelet factor 3 validity
Wilcoxon-Pitman有效性
Wilcoxon-Pitman efficiency