covariance是什么意思_covariance怎么读_音标kәu'vєәriәns

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