4) 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。
5) rotate sample
轮换样本
6) Subsample rotation
子样本轮换
补充资料:多层次三原色印花
多层次三原色印花 利用染料的三原色,通过采用连续雕刻法(通称为影写版法)雕刻的浅花筒,在滚筒印花机上叠色印花,从而获得色泽鲜艳、多种层次、类似拍摄花卉印花效果的一种印花工艺方法。这种工艺印花方法要求织物表面平细,否则效果不佳。
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