Provides a way to access the elements of an aggregate object without exposing its underlying representation )提供了不公开其底层表示而访问集合对象的元素的方法。
2.
The approach facilitates access to a software model by mapping the multiple views of the model to an integrated underlying representation and providing some dynamic navigation algorithms 这种方法通过将软件模型不同侧面的视图映射到一种集成支撑表示中,提供动态导航算法,从而实现软件开发者同时对软件系统不同侧面模型的访问。