999英语网 英语单词
Covariance的音标发音
Covariance
英式发音：[ku'vrins]
美式发音
(noun.) (statistics) the mean value of the product of the deviations of two variates from their respective means.
唐尼手打
(noun.) (statistics) the mean value of the product of the deviations of two variates from their respective means.
唐尼手打