基本解释

• [数学]组中值

英汉例句

双语例句

• The method that using weighted arithmetic average of class interval' class mid-value in computing the average is troublesome and is wrong.
  运用组距数列组中值加权算术平均法计算平均指标比较麻烦，也容易出错；

专业释义

数学

• 组中值