A child (or derived) class can have one and only one parent (or base) class.
一个子(或继承的)类只可以有一个父类(基类)。
Suppose you have a derived class D whose base class B has implemented some interfaces.
假设有个类型D，它的基类B实现了某些接口。
All the exceptions are derived from a common base class.
所有的异常继承自一个基类。
How do I write the move assignment function for this derived class?
我怎样为这个派生类编写移动赋值函数？
This is base class, with a number of derived classes.
这是一个基类，有多个派生类。
Execution of a derived class definition proceeds the same as for a base class.
派生类定义的执行过程和基类是一样的。
Define a class derived from the variable's class if one does not already exist.
定义一个从变量的类派生的类(如果不存在这样的类)。
When overridden in a derived class, this value can take different units of measure.
当在派生类中重写时，该值可以采用不同的度量单位。
When overridden in a derived class, retrieves the base address of the host.
当在派生类中被重写时，检索主机的基址。
When overridden in a derived class, initiates the start of a batch write operation.
当在派生类中重写时，启动批处理写操作。
There is no automatic conversion from the base class to a derived class.
从基类到派生类的自动转换是不存在的。
This method can be overridden in a derived class.
可以在衍生类别中覆写这个方法。
This method can be overridden in a derived class.
可以在衍生类别中覆写这个方法。
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