The(71)is a general description of the architecture of a workflow management sys
The(71)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(72)。
A．waterfall model
B．workflow reference model
C．evolutionary model
D．spiral model
正确答案：B
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