每个UI要素通过实现一个或多个这样的接口来提供易访问性服务，由于适合该窗口部件的专门的行为。
Each UI element provides accessibility services by implementing one or more of these interfaces, as appropriate for the specialized behavior of that widget.
每个UI要素通过实现一个或多个这样的接口来提供易访问性服务，由于适合该窗口部件的专门的行为。
Each UI element provides accessibility services by implementing one or more of these interfaces, as appropriate for the specialized behavior of that widget.
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