An effective method is put forward for airplane recognition by introducing in the passive feature of airborne radar radiation and using the multi-class Supports Vector Machine(SVM)for type identification.

Natural hills and lakes,prosperous business and specialties belong to resource features of Suzhou traditional cultural industry.

Discussion on the resource character of Shanxi bauxite and its development and utilization;

In this paper, the ecological function and effect of coastal wetland ecosystem are discussed, and the types, resource characteristics, conservation and utilization way of the coastal wetland in Tianjin are explored as well.

In Yinggehai basin, biodegradation and mixed sources of shallow gasfields can be studied by using the geochemical recognition technology.