arithmetic mean

听听怎么读
英 [əˈriθmətik mi:n]
美 [əˈrɪθmɪtɪk min]
是什么意思
  • n.

    算术中项,算术平均;

  • 英英释义

    arithmetic mean

    • n.the sum of the values of a random variable divided by the number of values

      同义词:first momentexpectationexpected value

    学习怎么用

    权威例句

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