Papers on AIDS prevention and control in the way of moral construction, methods are discussed,pointing out that the government building in the moral responsibility,moral responsibility in goverment,the media\'s moral responsibility,an analysis of the moral construction of medical institutions and medical personnel responsible for the professional ethics.

Discussion on Cost Reduction Ways in Coal Enterprises;

Ways for Promoting the Coaxal Precision of Trunked Hole in Finishing Boring;

The Way for Quick Excavation in Rock Roadway;