If one enterprise just takes technological innovation as the way for economic profit but not the combinationalprofit of economy, society and ecology, it will ne
Due to the unique function of protected areas in species and nature resources conservation,sustainability has become the primary consideration in the developmen
The paper researches on the pattern of man-land relationship of artif icial oasis in the east of north Tian-shan Mountain, the development of Qitai artif icial