Uses the DStDev and DAvg functions to display all orders for which the freight cost rose above the mean plus the standard deviation for freight cost.是什么意思_Uses the DStDev and DAvg functions to display all orders for which the freight cost rose above the mean plus the standard deviation for freight cost.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句