In this paper, a ranking method for DMU based on a set of common weights to obtain the DMU's relative efficiency index is analyzed, and the shortcoming of this method is pointed out.
对利用一组公共权重求解决策单元相对效率指数进而对决策单元进行排序的方法进行了分析，并指出了该方法的不足之处。
Heavy weights are not just for those who want to bulk up - that's a common misconception.
重的分量不只是给那些想要增重的人，这是一种很常见的误解。
The success rate of shafting balancing without trial weights is about 90% to common shafting unbalance and it is better than other methods.
目前对一般的轴系不平衡，一次加准法成功率已达90%，其平衡效果优于其他轴系平衡法。
Replicate weight, which is similar with replicated sample method, gets a lot of replicated weights to obtain the estimators by computer, it is also a robust, common and effective method.
重权数方法与重抽样方法类似，也是利用计算机的优势通过重复获得大量不同的子样本的重权数估计目标参数的估计量和方差估计量，是一种稳健、通用、有效的方差估计方法。
Replicate weight, which is similar with replicated sample method, gets a lot of replicated weights to obtain the estimators by computer, it is also a robust, common and effective method.
重权数方法与重抽样方法类似，也是利用计算机的优势通过重复获得大量不同的子样本的重权数估计目标参数的估计量和方差估计量，是一种稳健、通用、有效的方差估计方法。
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