Analysis of the guarantee degree of irrigation water resources and its spatial difference in Northeast China;

Quantitative analysis on the spatial difference of agricultural development level in Gansu province;

Study on the spatial difference of soil characteristic and the method of its spatial interpolation;

Assessment on ecological security of spatial differences of east areas of Liaohe River based on GIS;

Analysis of the characteristics and spatial differences of urbanization quality of cities at prefecture level and above in China

Taking the point of view of per unit area yield of grain,per-capita share of grain and contribution degree of grain as breakthrough point,this paper researched the spatial differences of grain production.

Analysis on influenting factors and characteristics of spatial disparity in Chinese service industry;

the general character and spatial disparity of Chinese urban development are analyzed in tree periods as 1949-1957.

Selecting 6 indexes and implying prime component analysis,this paper measures the level of tourism economic development of 15 cities in Yangtze River Delta and analyses the reasons of spatial disparity of tourism economic development.

The quantitative analysis method of the space difference of the regional sustainable development was discussed in this paper.

The paper analyzes the space difference characteristic of economic development level in China with the quantitymethod.

This paper analyses the space difference in using the direct foreign investment in Shandong.