Four stages concerning urbanization process are identified,urbanization characteristics are discussed,and experience and lessons are highlighted in this article.
Analysis of space shifting of geodetic center of China and the West,reveals that the Chinas geodetic center has been in coincidence with its political center. Furthermore the development of the maps i
It is a tendency to construct a tourist destination into a tourist community. This appears to be an appropriate approach to practice sustainable tourism development. Classic tourism, ecotourism and co
This paper deliberates on the issue of water consumption (evapotranspiration, ET) of three main crops in North China: wheat, corn and bean, which is mainly related to three factors as indicated by the