It revealed that the product of the standard deviation of the estimated sampling variance and square root of the number of samples was a constant.
实验也证明，取样方差估计值的标准偏差与样本数目的平方根之积可近似为一常数。
In July, it was revealed that new methods of sampling led to a massive reduction in the estimated number of people living with HIV in India.
7月，新抽样方法显示，印度HIV感染者的估计人数大幅度减少。
Sampling strategy, measurement errors and measured contour form features are all related to the uncertainty analysis for dimension, position and form error estimated.
轮廓的尺寸量、位置量以及形状误差估计值的不确定度与测量误差、被测轮廓的形状特征以及采样策略等有关。
Distance between dots should be uniform in the field measurement. Sampling number should be estimated by certain believe level, estimate accuracy and variance coefficient.
田间测墒时，点与点之间的距离要均匀，取样数目可以根据一定的置信水平、估值精度、变异系数做估算。
The sampling constants can be estimated by means of sampling relative standard deviation or some relevant chemical and physical informations.
首先对被分析物料实验测定取样标准偏差，或进行一些有关的化学测试和物理测试，以确定取样常数。
We rely on econometric and statistical sampling method which can be estimated roughly Shanghai's nongovernmental financial scale.
我们依靠计量经济学和抽样统计的方法可以预估上海民间金融的大致规模。
By comparing the difference between estimated number of species and the number of observed species, rationality of critical sampling area for different communities were validated.
同时，根据各海拔群落观测物种数与估计物种数的差异，进一步验证了最小取样面积的合理性。
Based on statistics character of traffic in a large-scale network, the steady metrics that can estimated network behavior are found and a sampling measurement model is presented in this paper.
基于大规模网络流量的统计特征，寻找能够评价网络行为的稳定测度，并建立抽样测量模型。
Based on statistics character of traffic in a large-scale network, the steady metrics that can estimated network behavior are found and a sampling measurement model is presented in this paper.
基于大规模网络流量的统计特征，寻找能够评价网络行为的稳定测度，并建立抽样测量模型。
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