... estimate of cost 成本估算 estimate of standard deviation 标准差估计 estimate of standard error 标准误估计值 ...
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estimate of population standard deviation [统计] 总体标准差估计值 ; 总体标准差估计
A point estimate for the standard deviation of the execution time is 645.586 microseconds.
执行时间的标准偏差估值点是645.586微秒。
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。
The algorithm adopts low pass filter to estimate the background and calculates the standard deviation to estimate the fluctuation of background to get the local adaptive detection threshold.
该算法以低通滤波算法估计背景中的低频成分，及图像局部方差估计背景起伏，来计算出局部自适应的目标检测判决门限。
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