处理主数据的部分或所有应用程序用本地数据库存储这些信息，并可能同时存储非主数据。
Some or all of the applications dealing with master data have a local database storing this information and maybe non-master data.
注册风格：这种风格为只需要读主数据而不需要修改的下游系统提供主数据的只读视图。
Registry style: This style provides a read-only view to master data for downstream systems which need to read but not modify master data.
理解：理解和分析数据，包括发现主数据、主数据建模以及治理信息质量和结构。
Understand: Understanding and analyzing the data, including discover, model, and govern information quality and structure of master data.
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