“Neyman allocation”的概念、定义、翻译、参考文献-科学参考

单词	Neyman allocation
释义	Neyman allocation Encyclopedia 理学抽样调查释 Neyman allocation奈曼分配分层抽样中假定各层单位抽样费用相等情况下，将总样本量分配至各层的方法。
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