And then the main factor of arctic route issue is been cleared.

In order to gain the right to take initiatives on the arctic route issue,possible obstacles to China\'s participation should be thought about.

In this paper,cloud model is built and applied to rectify the shortage of the above by using the normal cloud instead of membership function,make the recognition results of China orientation in the arctic route issue coordinating more reasonable and actual,and try to explore the application of cloud theory in the field of international issue research.

On the Game between China and Soviet Union on Vietnam Issue and its Influence on Sino-Vietnamese Relations (1965—1968);

According to the comparison of the vassalage formed during the history between China and Vietnam, and the system of western colonial expansion as well as the research on the history that France invaded Vietnam, we can see that Vietnam issue and the Sino_French War is the result of French land settlement policy in Far East, which aimed at occupying Vietnam and trying to invade China.

The approval of Li-Fournier Agreement indicated the appeasement on the part of Qing government towards France and the policy shift from intervention to dereliction to Vietnam issue.