Workflow engine is the core component of workflow system, architecture of which is vital to the whole system.

工作流引擎是工作流管理系统的核心部件，它的结构是否合理对整个系统有着至关重要的影响。

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This component may also carry out operations driven by the configuration logic, provisioning logic, workflow executor, or other custom logic in the middle tier of the NMS.

这个组件还可以执行由NMS中间层中的配置逻辑、供应逻辑、工作流执行器或其它定制逻辑所驱动的操作。

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At the end, a new type of workflow technology is introduced called process component model.

文末，我会介绍一种名为过程组件模型的工作流新技术。

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