The author makes a research on the advantages and disadvantages of “stopping war” and “reassuring the public” policy of Li Bian,king of the Southern Tang Dynasty.

Assessment on immigration resettlement area by Grey system theory model;

Investigation of present resettlement and its countermeasures around Shanxi reservoir——Take resettlement area in Lucheng district of Wenzhou city for example;

Grey Optimization of Resettlement Alternatives for Reservoir Project;

In recent years,the incidents of the public security police s being infringed in their law enforcement are on the rise.

The core of Public Security management is fully arouse the responsibility and potential of public security police, building a high-quality service, making public security management modernized.

At the new stage,the public security police,as a special group in society,are faced with various serious challenges from reforming and opening up,and market economy.

In this paper the historical experieare of the construction for the culture in civil aviation safety in China is reviewed from the viewpoint of contemporary systems theory, and the guiding principle conducive to the construction for the safety culture is established.

Support vector machine applied to detection of explosives for aviation security examination;