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 consis

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（）