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1. Oxford American Dictionary

   covariance

   • IPA[ˌkōˈverēəns]

   美式

   • n.
     the property of a function of retaining its form when the variables are linearly transformed.；the mean value of the product of the deviations of two variates from their respective means.

   • noun: covariance, plural noun: covariances

2. • 更多解釋

   covariance

   • IPA[kəʊˈvɛːrɪəns]

   英式

   • n.
     the property of a function of retaining its form when the variables are linearly transformed.

   Oxford Dictionary