概率比例抽样 probability proportional sampling 概率比例抽样法 probability proportional sampling 概率比例规模抽样法 probability proportional to size sampling ..
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概率比例规模抽样法 PPS ; probability-proportion-to-size ; Probability Proportionate to Size
按照概率比例抽样方法 PPS ; Probabilities Proportional to Size
概率比例规模抽样法 Probability proportion to size
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