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Astronomy & Astrophysics 73 Environmental Sciences 63 天文学 55
Ecology 52 Physics 52 Plant Sciences 46
Environmental Sciences & Ecology 42 Forestry 41 Chemistry 39
Soil Science 35 Agriculture 28 Agronomy 26
agronomy 26 分析化学与药物化学 24 Biochemistry & Molecular Biology 21
农作物 21 Multidisciplinary Sciences 20 plant sciences 18
农业基础科学 17 材料科学与物理化学 16 Engineering 14
Geosciences, Multidisciplinary 14 agriculture, multidisciplinary 14 chemistry 14
soil science 13 系统生态学::系统生态学 13 Astronomy & Astrophysics; Physics 12
Environment 12 Pharmacology & Pharmacy 12 Science & Technology - Other Topics 12
Water Resources 12 environmental sciences 12 物理化学 12
Geology 11 Remote Sensing 11 天文学::恒星与银河系 11
Imaging Science & Photographic Technology 10 Marine & Freshwater Biology 10 ecology 10
physics 10 植物保护 10 环境地球化学 10
Biodiversity Conservation 9 horticulture 9 天文和天体物理 9
天文学::太阳与太阳系 9 生态学 9 science & technology - other topics 8
土壤学 8 Meteorology & Atmospheric Sciences 7 农学(农艺学) 7
材料科学 7 环境科学::环境化学 7 Agriculture, Multidisciplinary 6
Agriculture/agronomy 6 chemistry; nuclear science & technology 6 genetics & heredity 6
天文学::恒星与银河系::恒星形成与演化 6 等离子体物理::等离子体物理与核聚变研究 6 自然地理学 6
Chemistry, Multidisciplinary 5 Fisheries 5 Geography, Physical 5
Multidisciplinary 5 biochemistry & molecular biology 5 天文学::太阳与太阳系::太阳物理学 5
植物学 5 环境科学 5 生物科学 5
Biochemistry & Molecular Biology; Biophysics 4 Biotechnology & Applied Microbiology 4 Chemistry, Organic 4
Chemistry, Physical 4 Chemistry; Materials Science 4 Chemistry; Polymer Science 4
Energy & Fuels 4 Engineering, Environmental 4 Evolutionary Biology 4
Materials Science 4 Oceanography 4 Polymer Science 4
entomology 4 geology 4 materials science 4
multidisciplinary sciences 4 农学 4 地图学与地理信息系统 4
地理学::自然地理学 4 天文学::恒星与银河系::恒星物理学 4 天然产物研究 4
有机化学 4 水土保持学 4 Biodiversity Conservation; Ecology; Environmental Sciences 3
Biology 3 Cell Biology 3 Chemistry; Science & Technology - Other Topics; Materials Science; Physics 3
Food Science & Technology 3 Genetics & Heredity 3 Physical Geography 3
Structures And Dynamics: Bearing And Seal Dynamics 3

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