给出了分级控制策略，并引入了分级、分层的黑板结构。
It gives the graded control strategy and blackboard structure is adopted.
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.
应用推荐