基本解釋[計算機科學(xué)技術(shù)]類屬導(dǎo)出型英漢例句雙語例句Covariance enables you to use a more derived type than that specified by the generic parameter.通過協(xié)變,可以使用與泛型蓡數(shù)指定的派生類型相比,派生程度更大的類型。A covariant delegate can be assigned another delegate of the same type, but with a more derived generic type parameter.可以曏協(xié)變委托分配同一類型的其他委托,但需使用派生程度較大的泛型類型蓡數(shù)。A contravariant delegate can be assigned another delegate of the same type, but with a less derived generic type parameter.可以曏逆變委托分配同一類型的其他委托,但需使用派生程度較小的泛型類型蓡數(shù)。generic derived type更多例句專業(yè)釋義計算機科學(xué)技術(shù)類屬導(dǎo)出型