在推理机构中，采用两类策略：启发式正向和反向推理方法，并利用黑板结构作为公共动态数据区。
In reasoning mechanism, two kinds of strategy: heuristic forward and backward reasoning method are adopted, and blackboard structure which is a common dynamic data area being applied.
推理机设计采用启发式搜索，结合正向、反向及双向推理建立专家系统。
The elicitation search and integrated forward direction, reverse direction and bidirectional reasoning was adopted to set up expert system in reasoning machine design.
推理机设计采用启发式搜索，结合正向、反向及双向推理建立专家系统。
The elicitation search and integrated forward direction, reverse direction and bidirectional reasoning was adopted to set up expert system in reasoning machine design.
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