This paper is aiming at the sound of folk songs,looks into BAIMAOSHANGE s structure by computer audio software COOLEDIT,and finds the symmetry and golden section in the SIJUTOU melody of BAIMAOSHANGE.

Tourism Resources and Their Evaluation in Baisha reservoir;

Reasons of Blue Alga Formation at East Baishahe Reservoir and Treatment Measures;

The drawback and corrective measure of bulb turbine in Baisha Hydropower Station;