当然，我们可以完全不使用显式的范围，只要能确保没有用不适当的类型来实例化类型参数。
Of course, we could simply leave off the explicit bound and just make sure that we never instantiate the type parameter with an inappropriate type.
隐式类装入发生在由于引用、实例化或继承导致装入类的时候(不是通过显式方法调用)。
Implicit class loading occurs when a class is loaded as result of a reference, instantiation, or inheritance (not via an explicit method call).
要想自动装配应用代码中实例化的实体，最简单也是最笨的办法就是通过RichDomainObjectFactory的方式显式进行自动装配。
The easiest but rather clumsy way to autowire entities that are instantiated in application code would be to autowire them explicitly by means of the RichDomainObjectFactory.
它提供帮助器方法，调用这些方法可以实例化特定元组对象而不需要您显式指定每个元组分量的类型。
It provides helper methods that can be called to instantiate particular tuple objects without requiring that you explicitly specify the type of each tuple component.
它提供帮助器方法，调用这些方法可以实例化特定元组对象而不需要您显式指定每个元组分量的类型。
It provides helper methods that can be called to instantiate particular tuple objects without requiring that you explicitly specify the type of each tuple component.
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