This is especially true when considering that the requesters have no interest, relationship, or responsibility to understand the process of service aggregation.

当考虑到请求程序没有兴趣、关系或责任了解服务聚合的过程时，这种说法是完全成立的。

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Next, create an association relationship between the classes that enables you to choose either an aggregation or a composition relationship.

下一步，在类间创建关联关系，这使您能够在聚集及组成关系中选择一个。

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Aggregation is a special type of association used to model a "whole to its parts" relationship.

聚合是一种特别类型的关联，用于描述“总体到局部”的关系。

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