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to phrases
stratified sampling
busin. 统计分层抽样
hydroel.st. 分层抽样; 分层取样
space 多层抽样
stat. 分层抽样法; 分层随机抽样
tech. 分层抽样 (法); 分层采样
stratified sampling: 49 phrases in 10 subjects
Agriculture1
Business5
Commerce3
Desert science1
Earth sciences1
Economy1
Marketing3
Securities2
Statistics6
Technology26

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