covariance是什么意思_covariance怎么读_音标kәu'vєәriәns
时间：
covariance是什么意思音标:英 [kәu'vєәriәns]
n. 协方差
[化] 协方差
n. (statistics) the mean value of the product of the deviations of two variates from their respective means
covariance的用法和例句：
1.I did a report on covariant rings in grade school.
我小学时候做过协变星环的报告