By the concept of knowledge filter, it gives reasoningstructure of knowledge in dependent reasoning, numerical relation of dependent reasoning and its application in knowledge discovery.
利用知识过滤的概念，给出知识过滤在依赖推理中的推理结构，依赖推理的数值关系和在知识发现中的应用。
2
This line of reasoning underlies an exciting new theory of spiral-galaxy structure.
这一推理路线是一个令人兴奋的螺旋星系结构新理论的基础。
3
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.