abstract function class

常見例句

雙語例句

• Classes derived from the abstract class must implement the pure virtual member function or they, too, are abstract classes.
  由抽象類別衍生出來的類別必須實作純虛擬成員函式，否則它們也是抽象類別。
• You open the file by calling the in function of the DL_Dxf object and passing a pointer to a class that inherits from the DL_CreationAdapter abstract class.
  通過調用 DL_Dxf 對象的 in 函數并將指針傳遞給一個繼承 DL_CreationAdapter 抽象類來打開此文件。
• In a base class, abstract class is defined by declaring pure virtual function, a derived class must define all inherited pure virtual functions of its base classes to be concrete.
  在基類中可以通過將虛函數聲明為純虛函數的手段來定義抽象類，強制派生類在自己的類定義中實現虛函數的具體功能。
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