Scala supports single inheritance, not multiple inheritance.
Scala支持单继承，不支持多继承。
That's because objects in the real world just don't fit into a simple single inheritance hierarchy.
那是因为实际世界中的对象不会刚好适合一个简单的单继承层次结构。
Objective-C only supports single inheritance between classes, while UML supports multiple inheritances.
Objective - C只支持类之间的单一继承，而UML支持多重继承。
As opposed to languages that only support single inheritance, Scala has a more general notion of class reuse.
与只支持单继承的语言相比，Scala具有更广泛意义上的类重用。
Conclusion Our findings suggested that HCC followed a multifactorial mode rather than single inheritance. An interaction effect of inheritance and environment on HCC was also noticed.
结论肝癌不符合单基因遗传模式，为一多因子疾病，受遗传与环境的综合影响。
Conclusion Our findings suggested that HCC followed a multifactorial mode rather than single inheritance. An interaction effect of inheritance and environment on HCC was also noticed.
结论肝癌不符合单基因遗传模式，为一多因子疾病，受遗传与环境的综合影响。
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