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灾害学 21 P642.23 16 自然地理学 11
地理学::自然地理学 10 Environmental Sciences & Ecology 9 Geology 9
环境地球化学 9 Environmental Sciences 8 Geosciences, Multidisciplinary 8
Zoology 8 Agriculture 7 Ecology 7
Plant Sciences 7 地球科学::地质学 7 Water Resources 6
土壤学 6 水文地质学 6 Oceanography 5
农学 5 水土保持学 5 环境地质学 5
Multidisciplinary Sciences 4 Science & Technology - Other Topics 4 physical geography; geology 4
环境污染及其防治 4 Agricultural Engineering; Engineering 3 Agronomy 3
Civil; Water Resources 3 Environment 3 Geochemistry & Geophysics 3
Geography, Physical 3 Marine & Freshwater Biology 3 P642.2 3
P642.22 3 science & technology - other topics 3 water resources 3
地球科学 3 地球科学::地理学 3 岩土力学 3
环境科学技术 3 Agronomy; Water Resources 2 Astronomy & Astrophysics 2
Biodiversity & Conservation 2 Biodiversity Conservation 2 Biology 2
Engineering 2 Environmental Sciences; Geosciences, Multidisciplinary; Water Resources 2 Forestry 2
Geography, Physical; Geosciences, Multidisciplinary 2 Geosciences 2 Geosciences, Multidisciplinary; Oceanography 2
Limnology 2 Marine & Freshwater Biology; Oceanography 2 Multidisciplinary 2
P333.4 2 Physical 2 Physical Geography 2
Soil Science 2 Surgery 2 agriculture; engineering; water resources 2
agronomy 2 environmental sciences & ecology; geology; water resources 2 其他学科 2
农业基础科学 2 地层学与地史学 2 地球化学勘查 2
环境学 2 环境科学 2 生物学::植物学::植物生理学 2
Agronomy; Plant Sciences; Chemistry, Analytical; Soil Science 1 Anthropology 1 Archaeology 1
Biochemistry & Molecular Biology 1 Biochemistry & Molecular Biology; Evolutionary Biology; Genetics & Heredity 1 Biology; Ecology; Evolutionary Biology 1
Chemistry 1 Chemistry, Analytical 1 Earth Sciences 1
Ecology; Engineering 1 Ecology; Geography 1 Engineering, Chemical 1
Engineering, Environmental 1 Environment/ecology 1 Environmental Studies 1
Environmental; Environmental Sciences 1 Evolutionary Biology 1 Fisheries; Marine & Freshwater Biology 1
Genetics & Heredity 1 Geochemistry 1 Geography 1
Geography, Physical; Geology; Geosciences, Multidisciplinary 1 Limnology; Marine & Freshwater Biology 1 Limnology; Oceanography 1
Marine & Freshwater Biology; Zoology 1 Materials Science 1 Materials Science, Multidisciplinary; Multidisciplinary Sciences 1
Meteorology & Atmospheric Sciences 1 Microbiology; Public, Environmental & Occupational Health; Toxicology; Mining & Mineral Processing 1 Ophthalmology 1
P333 1

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