Business case estimation accuracy is usually very low, with the actual confidence interval often higher then 50%, as no detailed functional and project analysis is usually performed.
业务案例评估的精度经常很低，由于通常不能完成细节的功能分析，可信区间通常高达50%。
Often the pooled estimate and its confidence interval are quoted in isolation as an alternative estimate of the quantity evaluated in a fixed effect meta-analysis, which is inappropriate.
常常这种合并的估计和可信区间被孤立的引用，就象在固定模型中一样，这实际上是不合适的。
This method results in efficient computation, determines quantitative confidence interval of each parameter range and is applicable to error analysis in various nonlinear inversions.
该方法计算效率较高，能定量给出各参数变化的置信区间，可适用于各种非线性反演的误差分析。
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