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当前检索式 ((ALL：Natural Environment))
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共83条，第1-20条
EurekAlert 305 Natural Environment 245 World Wide Fund for 215
Department for Envir 201 United Nations Envir 197 UK Environment Agenc 192
World Resources Inst 180 Global Environment F 142 gov.uk - environment 131
Department of Conser 106 World Business Counc 104 us environmental pro 98
UN Sustainable Devel 93 Plymouth Marine Labo 81 Imperial College Lon 77
National Oceanograph 77 Institute for Europe 71 Scripps Institution 70
Convention on Biolog 63 International Union 58