The process models, when formalized and validated, serve as the main input for the next phase of a project, for example, use case modeling.
当流程模型正式形成并经过了验证后，可以将其作为项目的下一阶段（如用例建模）的主要输入使用。
Workflow modeling technique is always one of important research tasks of workflow, including workflow model definition and sematic formalized expression method and so on.
工作流建模技术一直是工作流技术研究的重要课题之一，它的研究范围包括：工作流模型定义、语义的形式化表示方法等。
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