This paper makes brief introduction to and analysis on the functions,publishing situation,compiling methods,collecting contents,functional characteristics,and application methods of several kinds of important reference books on medical teaching.

Surveillance on sexually transmitted diseases of persons in a reeducation center in Shenzhen city in 2004;

Transient Voltage Sharing of Series Connected IGCTs Paralleld with RC-snubbers;

In light of the resistance absorption used in the current urban rail transit which has disadvantages including the waste of energy and the accessional cooling equipment, this paper gives a capacitive absorption program, which makes full use of braking energy and reduces pollution, this is a technology that worths studying and promoting in the field of urban rail transportation.