Next, add the following lines in the code for the second process (Listing 4) just after STD: : cout, and rebuild the code.
接下来，在第二个进程的代码(清单4)中std： cout后面添加以下代码并重新构建代码。
A screen flow STD can be thought of as capturing the lifecycle of a typical "session" of the actor that owns the state in the business process model.
可以将屏幕流std看作是捕获在业务流程模型中拥有状态的Actor的典型“会话”的生命周期。
Aiming at the complicated process control especially in the great disturbing producing course, STD bus industry control machine which has strong application can improve the control effect.
结论STD总线工业控制机对复杂的生产过程，特别是扰动大的生产过程，具有很强的适用性，可大大提高控制效果。
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