Why does declaring runtime polymorphism for template instantiations result in linker error?

为什么声明为模板实例化运行时多态导致链接器错误呢？

youdao

Why does declaring runtime polymorphism for template instantiations result in linker error?

为什么声明为模板实例化运行时多态导致链接器错误呢？

youdao