In two-stage estimate, used orthogonal transformation to estimate aggregate average and fitting constants method to estimate variance which was unbiased.

在两步估计法中，利用正交变换得到了总平均的估计，然后采用拟合常数法得到了方差的估计，并证明了该估计是无偏估计。

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Project managers tend to claim that they cannot provide an estimate without doing the analysis stage of the project.

项目经理往往声称没有经过项目的分析阶段就无法给出估算。

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The goal at this stage is to give development a good sense of what is required in the release in smaller chunks to estimate.

这个阶段的目标是通过评估较小的描述，更好地理解发行版的需求。

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At this stage every bank's individual estimate is revealed, too.

ECONOMIST: A financial benchmark that badly needs an overhaul

Unison claims job cuts will be "at least three figures", but the city council stressed it was not in a position to estimate any losses at this stage.

BBC: Southampton City Council could face ?32m budget gap

"This is the first stage in the process and unfortunately we are unable to estimate the time period involved in finding a purchaser, " it said.

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