Abstract: This paper discusses the test problem concerning ratios of two normal density functions.

摘要：本文讨论对两样本正态分布密度比的假设检验。

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The bolls per unit area of cotton leafy shoots retained at low density could reach the same level as cotton leafy shoots removed at normal density.

低密度下留叶枝单位面积成铃可以达到高密度下不留叶枝的水平。

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The bolls per unit area of cotton leafy shoots retained at low density could reach the same level as cotton leafy shoots removed at normal density.

低密度下留叶枝单位面积成铃可以达到高密度下不留叶枝的水平。

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