目前的平衡两层次样本轮换模式只适用于一级单元规模较小时的两阶段抽样月度调查。
The present balanced two-layer sample rotation system is applicable only to the monthly survey with two-stage sample designs and with small primary sampling units.
提出了在林业信息资料的抽样调查中、最优样本轮换率的问题。
The question of the best rate of the sample book's rotation in the sampling survey of forestry information material is arisen.
第四章,从横向上介绍了校准估计量在二重抽样中的应用、在无回答中的应用,并推出其在样本轮换中的应用。
In chapter 4, introducing the application of calibration estimator in two-phase sampling, non-response and sampling rotation.
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