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分层随机抽样 fēncéng suíjī chōuyàng
stat. stratified sampling; stratified random sampling; pre-stratification
tech. stratified random sampling (法)
统计分层随机抽样 fēncéng suíjī chōuyàng
busin. stratified random sampling
分层随机 抽样: 11 phrases in 7 subjects
Business1
Commerce1
Desert science1
Earth sciences1
Ecology1
Statistics3
Technology3