【经】 分层随机抽样stratified random sampling
配额抽样quota sampling
概率抽样probability sampling
抽样偏差sampling bias
抽样程序sampling procedure
抽样检验sample survey【数】;sampling inspection【数】;sampling survey【数】
适应性抽样adaptive sampling
配对选取非比例抽样disproportionate sampling with paired selection【统计】