因此，它们在表达控制流程与发生的私有交流中会发挥作用。
Thus, they are useful in expressing control flows, as well as the individual interactions that occur.
在这部分(第2部分)中，我将解释如何用BPEL来表达工作流程的业务逻辑，并展示部署IoC和BPEL的方式，以控制工作流程的行为。
Here in Part 2, I explain how to express a workflow's business logic using BPEL and show how to deploy IoC and BPEL to control the behavior of your business workflows.
流程图相对来说，容易学习，在算法的流程控制上也是一种直观的表达方式。
Flowcharts are relatively easy to learn and are an intuitive method of representing the flow of control in an algorithm.
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