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首页 - 英汉词典 - A字开头的单词或词组 - arithmetic mean

英语解释

arithmetic mean

汉语翻译

【计】算术中项; 算术均数
【化】算术平均
【经】算术平均

arithmetic mean英语解释

名词 arithmetic mean:

the sum of the values of a random variable divided by the number of values
同义词：first moment, expectation, expected value

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