Directed against this problem this paper put forward the evolutional reasoning model based on grey interrelationtheory.
文中针对此问题，基于灰关联理论提出演进式推理模型。
2
Advancing the theory involves finding out the interrelation between the position of system and the arrangement of it as well as how to carry out system changes.
提出制度配置就是要从理论上弄清制度的地位、制度安排之间的相互关系以及如何进行制度变迁。
3
By probing into the interrelation of the virus and the host we can provide a groundwork for a new theory and a strategy to prevent, treat and diagnose the virus disease.