From the visual threshold of development,the Yan\'an spirit is the historical outcome,and it is rooted both in the maximization of the people\'s subjective initiative in the revolutionary practice in Yan\'an and in the persistent seek of the whole Party for the communist ideal and belief;the spirit also keeps pace with the times.

Comprehensive regionalization of Wenchuan County on biodiversity conservation and regional development;

Theory and Application of Eco-Transformation as a New Concept for Regional Development;

Study on coordination between regional development and cultivated land resources of Fujian Province;

Basied on the established indicator system for assessing area development, this paper, utilizing the vector operators method, points out the most remarkable indicator for affecting area development and invest ment it's to make the indicator approach the criterion.

The paper also analyzes the results to study the unbalance of area development in China.

It is the substantial base of tourism and has determinative effects for making policy of region development strategy or determining city style and feature.

Raise cotton region development strategy in connection with cotton production strategy slopping toward Xinjiang.

The imbalance of region development and the enlarging gap are representations of negative externality.