A data graph contains a root data object, all of the root's associated data objects, and a change summary (more on change summaries in a moment).

数据图包含一个根数据对象、与根关联的所有数据对象和变更摘要(change summary，参见本文后面的叙述)。

youdao

A data graph contains a root data object, all of the root's associated data objects, and a change summary (more on change summaries in a moment).

数据图包含一个根数据对象、与根关联的所有数据对象和变更摘要(change summary，参见本文后面的叙述)。

youdao