The paper builds up the satellite global survey mission scheduling system according to the characteristics of satellite global survey mission requirement.

Global survey mission seasonally and dynamically monitors the changes of earth surface with earth observation satellite,it is an application of remote sensing technology in monitoring global change.

Under such conditions, the basic guidance of China s security interest relies on two main aspects: constructing the universal security to defend multilateral threatening; seeking the neighbor-aided regional security.

Discussion on security inspection of construction project;

However, there exist the phenomena of inadequate security inspection.

The results show that terahertz radiation has strong penetrability to most of wrappers,and the technology can become an effective means in the field of security inspection.