英语词汇“arithmetic mean”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-ABC网

单词	arithmetic mean
释义	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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arithmetic mean