Then obtain base-case, best-case, and worst-case NPV and calculate mean NPV and standard deviation to (roughly) estimate the magnitude of the risk inherent to the project.
然后得出基本情况，最好情况，最差情况下的净现值，再计算平均净现值和标准偏差，（粗略地）估计该项目的内部固有风险的大小。
For a kind of population, the asymptotic best property of trimmed mean is discussed. Then, a expression of the best trimmed estimate of population parameters is given.
首先对一类总体讨论了截尾均值的渐近最优性，然后给出了更一般情形总体参数最优截尾估计的一个表达式。
The key of the presented filter is to derive the best estimate of the covariance matrix of the unbiased converted measurements in the mean-square sense.
这种滤波器的关键是在均方意义下推导无偏转换测量误差协方差阵的最佳估计。
The key of the presented filter is to derive the best estimate of the covariance matrix of the unbiased converted measurements in the mean-square sense.
这种滤波器的关键是在均方意义下推导无偏转换测量误差协方差阵的最佳估计。
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