GIS服务动态选择选择机制
dynamic GIS service finding mechanism
农村·农业·农民A
countryside agriculture peasantry
农村·农业·农民B
countryside agriculture peasantry
农业农村
agriculture and rural areas
农业农村环境
Agricultural rural environment
农业农村信息服务
Information service in countryside
农业农村信息化
Agricultural and rural informalization
商业农业保险公司
commercial agricultural insurance company
行业农业企业经营
management of industrial agriculture enterprise
行业选择
selection of target industry