SCA is extensible with respect to interface types.
SCA在接口类型方面可扩展。
With this definition we define two new CORBA interface types: Listener and Speaker.
使用这个定义，我们定义了两个新的CORBA接口类型：Listener和Speaker 。
The invocation handler class must know how to deal with method invocations of all the interface types.
调用处理程序类必须知道如何处理所有接口类型的方法调用。
There are no interface types to describe what properties and methods will be called once you pass the object in.
一旦你传入了对象，没有能够描述会调用什么属性和方法的接口类型。
Two interface types are identical if they have the same set of methods with the same names and identical function types. The order of the methods is irrelevant.
如果两个接口有相同的方法集并且方法名称和函数类型相同，那么它们相同。方法的顺序不要求相同。
When a class implements an interface that has multiple base interfaces, objects created from that class can be upcast to any of the base interface types.
当一个类实现有多个基接口的接口时，从这个类生成的对象可以上溯到任何一个基接口。
When a class implements an interface that has multiple base interfaces, objects created from that class can be upcast to any of the base interface types.
当一个类实现有多个基接口的接口时，从这个类生成的对象可以上溯到任何一个基接口。
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