Firstly, we extract the image s edge automatically by random seed region search algorithm.

Setting up Interregional Ecological Compensation Mechanism to Advance Coordinated Development of Regional Economy;

The data analysis of regional water resources and economic society coupling system sustainable development;

Determination of Lead in Human Hair of Different Regions by FAAS;

Development of district environment economics indicator system;

The analysis of investment structure in district environment pollution control;

A Compare Study and Evaluation for the Competitive Capability of Chinese District Agriculture;

Study on dynamically monitoring the land salinizing in the typical area of inner mongolia;

Sustainable development of area water resource;

Research on evaluation for the competition ability of areal investment environment based on fuzzy theory;

Soil Quality Evaluation of Regional Green Food Producing Area——Taking the Linfen City of Shanxi Province as Example;

Regional design: Recovering a great landscape architecture and urban planning tradition;

As a result, human earth study must fall onto the regions.

A computing method of thearea enclosing by the interaction of one non-regular curve and many non -regular regions isput forward.

In this paper, based both on graph theory and on turn-left algorithm, a recursive-and-backward researching algorithm of realtimely establishing regions topological relations is designed to meet the needs of geographical information processing.