Threat events in the Navy Tactics Simulation are not irrelevant mostly,there is some relationship between them,and this relationship can be abstracted as redundancy and logic/time relation.

• 海军战术仿真中产生的威胁事件大多不是孤立的,相互之间存在着某种联系,而这种联系可以抽象为冗余关系和逻辑/时间关系。