菌索
参考答案：
营养菌丝组成的粗索，其中菌丝已失去独立性，整体像一个组织的单体，菌索生长点的结构有些像根尖，故此得名，也称作菌丝索。
资金时间价值的习惯表示方式是( )。
A．利率
B．利息
C．利润
D．净现值
The（）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（）. In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a（）, which consists of（）indicated using a circle, and（）shown as a rectangle. These two components can be linked by means of a directed arc.
The（）is a general description of the architecture of a workflow management system used by the WFMC
A．waterfall model
B．workflow reference model
C．evolutionary model
D．spiral model
