A data object structure represents a graph that, in addition to hosting member elements, encapsulates references to type and usage metadata about each of these elements.
一个数据对象架构代表了一个图，除了成员元素，它还封装了对关于每一个元素类型及使用元数据的引用。
A data object structure represents a graph that, in addition to hosting member elements, encapsulates references to type and usage metadata about each of these elements.
一个数据对象架构代表了一个图，除了成员元素，它还封装了对关于每一个元素类型及使用元数据的引用。
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