This article separately analyses the both sides military strength effectiveness and change situation,based on the Lanchester fundamental equation in conditions of complete information support,non-information support and dissymmetrical information support.

To study the capability of space power information support is significant in reality and military for improving the top design,the programming and demonstration,and the operational application of the space equipments system construction.

In this paper, an information supporting operational task set of navigation and position satellite is analyzed.

With the development of the communication and space technology,military satellite becomes more and more important in the operational system based on information supporting.

Therefore,attention should be paid to vulnerable groups of information assistance to enable them to use information as soon as possible to shake off poverty and better survival and development.

Investigation and analysis of agricultural condition information demand in China;

Classrooms——the main places to stimulate college students information demands;

An analysis of the information demand among Guangzhou area university students;