应该注意的是，业务流程生成并使用业务实体。
It should be noted that business processes produce and consume business entities.
本文中的方法包含这样一个概念，即应该只有一个控制给定流程的实体，也就是流程控制者。
The approach in this article incorporates the notion that there should only ever be one entity—the process controller—that controls a given process.
图 1 的类关系图中显示的实体与订单管理业务流程相关联。
The entities shown in the class diagram of Figure 1 are associated with an order management business process.
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