单选题The（1） is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several（2）.空白（2）处应选择（）Aworkflow enginesBprocessesCworkflow threadsDtasks
单选题
The（1） is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several（2）.
空白（2）处应选择（）
A
workflow engines
B
processes
C
workflow threads
D
tasks
参考解析
解析：
工作流参考模型是国际工作流管理联盟WFMC采用的、对工作流管理系统体系结构的一个通用的描述。在这个模型里，概括总结了主要的构件和相互关联的接口。工作流设定的服务是工作流系统的核心，这个核心由若干个工作流引擎驱动。
相关考题：
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● The （71） is a general description of the architecture of a workflow managemensystem used by the WFMC, in which the main components and the associated interfaces arsummarized. The workflow enactment service is the heart of a workflow system which consistof several （72） . In a workflow system, a process is specified using the process definitio tool. Usually, processes are defined in terms of a （73） , which consists of （74）indicated using a circle, and （75） shown as a rectangle. These two components can blinked by means of a directed arc.（71）A. waterfall modelB. workflow reference modelC. evolutionary modelD. spiral model（72）A. workflow enginesB. processesC. workflow threads（73）A. PERT diagramB. DFDC. Petri NetD. ER diagram（74）A. positionsB. resourcesC. conditionsD. places（75）A. transitionsB. transformationsC. transmittersD. changes
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