常見例句Property will return the name of the derived type that extends the. 類的派生類型的名稱。Conversions from derived type to base type are allowed. 允許從派生類型型到基類類型的轉(zhuǎn)換。THE JACKSON THEOREM OF DERIVATIVE TYPE IN Ba SPACES Ba空間中導(dǎo)數(shù)型的Jackson定理A derived data type is a derivative or structure of existing base types or other derived types. 派生數(shù)據(jù)類型是已有的基本類型或其他派生類型的一個(gè)派生物或結(jié)構(gòu)。Shows how to do an upcasta cast from a derived type to one of its base classesusing. 執(zhí)行向上轉(zhuǎn)換,即從派生類型強(qiáng)制轉(zhuǎn)換為它的一個(gè)基類。In the opposite direction, the base type does not contain any new members defined by the derived type. 在相反的方向,基類型不包含由派生類型定義的任何新成員。 返回 derivative-type