covarianceKK [ˏkoˋvɑˏriəns] /ˌkoʊˈvɑˌɹiəns/名詞1共變異數、協方差統計The covariance between the two variables turned out to be negative.這兩個變數之間的共變異數結果是負的。2協變性物理/數學The theory is built on the covariance of physical laws under coordinate changes.這個理論建立在物理定律在座標變換下的協變性之上。