arithmetic mean 详细解释
arithmetic mean
n. 算术平均值, 等差中项
词形变化
形容词: arithmetical | 副词: arithmetically | 名词: arithmetician |
英英释义
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
补充
arithmetic meanarithmetic meann.1.算术中项,算术平均热门单词推荐
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