聚合规则指示更新CCMS数据时信任哪个数据源(按数据组确定)。
The aggregation rules indicate which data sources (per data group) to trust when updating CCMS data.
所有数据源的数据元素的数据聚合规则，也对在CCMS中创建和维护数据非常必要。
Data Aggregation rules, by data element for all data sources, also necessary to create and maintain data in CCMS.
聚合活动实现数据聚合规则，该规则会在更新CCMS数据前对要更新的客户数据中每个数据组的数据的来源进行考虑。
The aggregation activity implements data aggregation rules which, before CCMS data is updated, take in consideration the source of the data for each data group in the customer record to be updated.
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