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当前检索式 ((ALL：Ecosystem))
限定条件 ((学科/领域：地球科学))
共35条，第1-20条
Science X network 1244 EurekAlert 569 EurekAlert! - Earth 249
US Department of Ene 91 Critical Zone Explor 65 US National Scientif 62
Wetlands Internation 58 European Space Agenc 57 Center for Strategic 47
Commonwealth Scienti 36 world meteorological 32 Centre national de l 25
Institute for Global 25 American Geophysical 22 CNRS News 22
German Aerosapce Cen 20 Minging.com 20 Critical Zone Observ 17
Department of Energy 17 SciDev.Net 14