名词短语
中文翻译：概率的组成
同义词：
['probability composition', 'probability distribution', 'probability density function例句：1. The composition of the population is changing rapidly due to migration.（人口构成正在迅速变化，因为迁移。）']
例句：
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1. The composition of the population is changing rapidly due to migration.
人口构成正在迅速变化，因为迁移。
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2.The probability distribution of the data shows a clear peak at the mean value.
数据的概率分布显示在均值处有一个明显的峰值。
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3.Probability density functions are used to describe the likelihood of events occurring.
概率密度函数用于描述事件发生的可能性。