After analyzing the statistical results of causes of road traffic accidents,this paper has exposed the tendency in the results to magnify the responsibilities of drivers while neglecting the function of the road conditions in preventing (or inducing) traffic accidents.

After analyzing the road traffic system,this paper has exposed that we usually analyze deficiently about the connection of the persons,vehicles and road factors.

Based on the current situation of road safety, the paper analyzes objectively the effect and role of road factor in traffic accidents, in addition, the possibility that the road factors can lead to incident is testified by BAYES theory.

By analyzing the cause of traffic accident, the paper put emphasizes on studying the effect to traffic safety caused by road factor.

The Factor Analysis and Measurements Protecting on the Coal Spontaneous Combustion in Huainan Mine Area;

The comparison of monofactor and multifactor analysis with prognosis for sudden deafness;

Factor analysis for increase of uterine-incision delivery;