名词
中文翻译：五分之一
同义词：
['fifth percentile', 'fifth place例句：1. The quintile distribution of the population is a key factor in economic planning.（人口的五分之一分布是经济规划的关键因素。）']
例句：
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1. The quintile distribution of the population is a key factor in economic planning.
人口的五分之一分布是经济规划的关键因素。
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2.The quintiles are used to classify people based on their income level.
五分之一用来根据收入水平分类人群。
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3.The quintiles were calculated using a statistical method that takes into account various factors.
五分之一的计算采用了一种统计方法，考虑到了各种因素。