This is because in fat-tailed distributions, the mean is affected by outliers and therefore one needs many years of data to arrive at a stable estimate.

在厚尾分布中，平均值会受到异常值的影响，因而需要好多年的数据才能得出稳定的估计。

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To avoid charges of spurious accuracy, we have rounded down our estimate of the stable debt burden to the nearest five percentage points.

为了避免有人说我们的估计是伪精确的，我们将表中估计出的债务负担四舍五入到末尾最接近于百分之五的那个数字。

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We develop a stable and powerful, yet simple, statistical procedure to estimate the size of the whole network from subnet data.

我们开发一个稳定和强大但操作简便的统计程序用来从子网数据评估整个网络规模。

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We estimate relatively stable international market shares for these products in the years ahead.

FORBES: Pepsi Pours On Upside Potental With Russia Deal, Coke Looks Too Expensive

The number of people newly infected has remained relatively stable since the late 1990s, and the more accurate estimate does not change that, the CDC said.

CNN: CDC: More Americans HIV-positive than previously believed

On one United Nations estimate, to keep today's worker-pensioner ratio stable till 2050, France would have to import 1.8m people a year.

ECONOMIST: France, race and immigration