... proportionate sampling 比例抽样 proportionate transport 定比转运 Proportionate Equality 比例的平等 ...
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... 按比例补助 subsidy pro rats 按比例抽样 proportionate sampling; quota sampling 按比例的 pro rata; proportional; ratable ...
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probability proportionate sampling 概率比例抽样
Probability Proportionate to Size Sampling 抽样调查法 ; 概率抽样
proportionate stratified sampling 比率分层抽样法
proportionate stratified random sampling 定比分层抽样法
gains from proportionate stratified sampling [统计] 按比例分层抽样的得益
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