Conservation and utilization of sichuan yak genetic resources;

Based on the the background of the landscape ecological environment,in this article,through investigating the present situation of landscape ecology after small hydropower stave development and analyzing the present situation of water and sound environment,the landscape element influence of the small hydropower stave development of Baisha river in Tianquan Sichuan province were explored.

Study and Practice on Building the Technological Innovation System of Sichuan Aerospace Industry;