Discuss the "Jiao Zhi" Again——The Reading Notes of Han Bamboo Book of Zhangjiashan;

Rectifies the mechanism by the university student counter-society behavior the goal,the principle,the measure;

The methods of resolving by standardizing and perfecting doctoral students enrollment system,preventing from abusing education resources and educational seeking-for-rent in colleges and universities,should learn from institutional corrections and the interest balance of the United States.

The advances in theory including exchange-coupling interaction between magnetic phases, coercivity mechanism and computer-aided micromagnetic simulation and the effects of components, element additions and fabrication technology on the microstructure and magnetic properties are reviewed in this article.