However, we often need to estimate projects before we have even started the analysis on them.

然而，通常甚至在我们开始分析项目之前，就需要对项目进行估算。

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The method is expected to produce a single estimate, usually after feasibility analysis and requirements gathering activities.

这个方法通常在可行性分析和收集需求活动以后产生单一的评估。

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In addition, an impact analysis will help you estimate the time required to make the proposed enhancement.

此外，影响分析将帮助您估计进行所提议的增强所需的时间。

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Based on morphological differences in the skull and bone structure, coupled with DNA analysis, the authors estimate that the Kha-Nyou diverged from other rodents millions of years ago.

BBC: Totally new to science

The Innovation Alliance is particularly concerned about lawmakers' lack of analysis of a recent cost estimate of the House bill by the Congressional Budget Office, just released Tuesday.

FORBES: Magazine Article

Based on the analysis in that book, I estimate that all these reforms altogether would reduce federal spending by 50% as a percent of GDP over the long run.

FORBES: How A President Gingrich Would Balance The Budget