“sampling with probability proportional to size”的概念、定义、翻译、参考文献-科学参考

单词	sampling with probability proportional to size
释义	sampling with probability proportional to size Encyclopedia 理学数据收集模式释 sampling with probability proportional to sizePPS抽样放回的与规模成比例的概率抽样，一种总体各单元的入样概率与其规模成比例的放回不等概抽样方法，特殊的多项抽样。
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