[Objective] The research aimed to study the application of ordinal set pair analysis in the annual precipitation prediction of Liao River basin.[Method] The ord
[Objective] The research aimed to study a kind of precipitation predication model which was established by using the multi-level mode circulation output field.
[Objective]The study aimed to assess the ecological environment in Jingxin wetland using analytic hierarchy process (AHP). [Method]Based on the field survey on