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？

youdao

The key problem to D-S reasoning is basic probability assignment function, so the algorithm implementation of D-S reasoning is a esrious problem.

在基于D-S推理的信息融合中，其关键问题是基本概率赋值函数的构造。

youdao

Two kinds of information fusion method of the cutting chatter state recognition are given based on the basic probability assignment function, Pl a and Bel a.

讨论了切削颤振状态识别的信息融合方法，分别给出了基于基本概率分配函数和基于证据区间值的颤振状态识别方法。

youdao

There's a function in purple, there's a string in green, and in black I have the assignment statements.

还有个粉色的方法，绿色的字符串，赋值声明是黑色的。

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