You really learn about polymorphism when you 've understood the patterns .

只有当你已经明白了这些模式之后，才能真正理解多态性。

When I was learning computer programming , I often tried to connect the abstract concepts of variables , functions or polymorphism into more vivid , visual descriptions .

当我学习电脑编程的时候，我就经常试图将抽象、概念性的变量、函数、多形性与更生动的视觉上的描述关联起来。

It became clear that the environmental effects ( nurture ) are modulated by genetic polymorphism and epigenetic programming of gene expression ( nature ) to shape development .

那么显然，遗传多样性和基因表现（先天）的后天变化可以调节环境因素（后天），从而塑造个性发展。

Chapter 3 digs into inheritance ( basic and multiple ) and polymorphism .

第三章深刻讲解了继承（基本继承和多重继承）和多态。

It 's the functionality that we had in the last section , but without the added overhead of run-time polymorphism .

这是前面的段落中，我们已涉及的功能，但是没有额外的运行时多态开销。