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1)  rotate sample
轮换样本
2)  sample rotation
样本轮换
1.
In this paper,the author has carried out a detailed discussion on the methods of a sample rotation and problems in this process and how to improve the effect of a sample rotation.
从我国城市住户调查的实际情况出发,就城市住户调查中现行样本轮换方法、存在的问题及改进方法等方面进行了详细的阐述。
2.
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.
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。
3.
Quarterly surveys need sample rotations,and those with multi-stage sampling designs need multi-layer sample rotations.
季度调查需要样本轮换,多阶段抽样季度调查需要进行多层次样本轮换。
3)  Subsample rotation
子样本轮换
4)  ratio of sample rotation
样本轮换率
1.
And discuss its estimator,size of sampling,optimum weighting and optimum ratio of sample rotation.
针对实际连续抽样调查中样本轮换的广泛应用,将简单随机抽样场合下的样本轮换问题推广到分层简单随机连续抽样、整群连续抽样,并讨论其估计量、样本量、最优权数以及最优样本轮换率。
5)  Best sample rotation ratio
最优样本轮换率
6)  multi-layer sample rotation
多层次样本轮换
补充资料:轮换
1.轮流替换。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条