数据建模是指创建抽象的工件以描述如何表示、存储和使用数据的一个过程。
Data modeling is the process of creating abstract artifacts that describe how data is represented, stored, and used.
RAS资产是相关工件和描述资产的清单的集合，如图10所示。
A RAS asset is a collection of related artifacts with a manifest that describes the asset, as shown in Figure 10.
我还为每个工件添加了一个描述。
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