University course studying teaching model is generally suitable for particular course teaching, its key ideas being human teaching idea, flexibility in tactics centre idea, principal part inter-active teaching idea and development ability fostering idea.

The weighted center and weighted median of network location;

Along with the authority strengthened, the ruler took measure of limit and strike, gentry clans was forced from contending to yielding, gradually withdrawing from the power center.

The paper also maintains that under circumstance of market econo- my, governments should transform their role from power center to information center and enhance healthy development of regional economy on condtion that enough information is ecquired.

The struggle between Sadat and the “Power Center” has increased their mutual distrust.

This paper summarizes and classifies the main tracking algorithms under occlusions commonly used at home and abroad,and introduces several kinds of popular tracking algorithms under occlusions based on central weights,part matching,track prediction,and Bayesian theory,respectively.

The secure mobile DRM solution guarantees the security and integrity of the digital contents and right objects, and prevents the right issuers cribbing the digital contents.