alpine region
3.The penstock for Jinhe Hydropower Station is less in China, as it has a obliquity of 50° on the bending and inclined straight section in space; for which the manufacture and installation are smoothly completed under the construction condition in the tunnel and the environment of alpine region with available construction method in combination of limited construction method for the key technical problems of the manufacture and installation of the penstock, which provides a reference for the constructions under the similar circumstance.
7.In the mountains of the Qaidam region there is great difference in thevertical belt spectrum of the vegetation between east and west: the verti-cal spectrum in the desert steppe zone is: mountainous steppe-mountaino-us evergreen needleaf forest-subalpine shrubland-alpine meadow-alpine spa-rse vegetation;

