parallel block造句

In the aspect of workflow modeling , this thesis introduces a flexible workflow meta - model which is capable of tackling the problems related to business events based synchronization , multiple activity instances , service type activities and run - time process modeling . such favorable features are approached by extending the traditional activity network model with modeling constructs , such as wait connectors , parallel blocks , services and modification blocks
在工作流建模方面，通过扩展传统活动网络图模型中的模型元素，加入等待节点、并行模块、服务和修改模块，提出了一种柔性的工作流元模型，很好的解决了原有的业务事件同步、多活动实例、服务类型活动和运行时过程建模等问题。
It's difficult to find parallel block in a sentence. 用parallel block造句挺难的