The probability of normal R.V. with absolute Value less then and equal to one, two, and three unit standard deviations are calculated from error function, the cumulate probability distribution of normal density.是什么意思_The probability of normal R.V. with absolute Value less then and equal to one, two, and three unit standard deviations are calculated from error function, the cumulate probability distribution of normal density.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句