The study centers on the necessity, the workflow and the synthetically integrated methods (Principal Component Analysis(PCA), AndyticalHierarchyProcess(AHP) and
This paper comprehensively evaluates and analyzes the tourism resources in Jilin Province, China. And it consists of three parts. The first two parts are on the
ABSTRACT: Spectrum analyses of water quality time series have been carried out for five hydrometric stations including Wuhan hydrometric station of the Changjiang( Yangtze) River, etc. The fluctuation
With the rapid development of space technology, earth observation technology and sky observatory technolo-gy, they have played a more and more important part in