不放回抽样 Sampling without peplacement ; No replacement of samples ; WOR Sampling withOut Replacement

不当抽样 haphazard sampling

不重复抽样 sampling without replacement ; without replacement sampling ; [统计] non-repeated sampling ; sampling without repeating

简单不重复抽样 simple sampling without replacement

不重复抽样法 sampling without replacement ; nonreplacement sampling

不等概率抽样 sampling with unequal probabilities

抽样不定性 sample uncertainty

不合比例抽样法 disproportionate sampling

不再放入抽样 sampling without replacement