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astronomy & astrophysics; physics 92 天文学 75 Physics 68
physics 55 Plant Sciences 30 天文学::天体物理学 27
Astronomy & Astrophysics 26 天文学::天体物理学::高能天体物理学 26 Biochemistry & Molecular Biology 23
农作物 22 天文学::星系与宇宙学 22 Pharmacology & Pharmacy 16
植物保护 16 Chemistry 14 Ecology 14
天文学::恒星与银河系 12 经济学 12 Chemistry, Medicinal 11
Materials Science 11 Cell Biology 10 Neurosciences & Neurology 8
物理化学 8 物理学 8 Science & Technology - Other Topics 7
农业基础科学 6 核科学技术 6 Astronomy & Astrophysics; Physics 5
Electrochemistry 5 Environment/ecology 5 Environmental Sciences 5
Geography, Physical 5 Oceanography 5 Paleontology 5
天文学::恒星与银河系::恒星形成与演化 5 材料科学与物理化学 5 植物学 5
Chemistry, Multidisciplinary 4 Environment 4 Geology 4
分子生物学 4 天文学::射电天文学 4 矿床地质 4
空间技术 4 Chemistry, Applied 3 Chemistry, Organic 3
Environmental Sciences & Ecology 3 Fisheries 3 Geochemistry & Geophysics 3
Instruments & Instrumentation; Nuclear Science & Technology; Physics; Spectroscopy 3 Marine & Freshwater Biology 3 Multidisciplinary 3
Plant Sciences; Pharmacology & Pharmacy 3 agriculture, multidisciplinary 3 plant sciences 3
science & technology - other topics 3 昆虫学 3 环境地质学 3
Agriculture 2 Biotechnology & Applied Microbiology 2 Chemistry, Physical 2
Chemistry; Science & Technology - Other Topics; Materials Science; Physics 2 Chemistry; Spectroscopy 2 Ecology; Marine & Freshwater Biology; Microbiology 2
Energy & Fuels 2 Engineering, Environmental 2 Environmental Sciences; Marine & Freshwater Biology 2
Food Science & Technology 2 Life Sciences & Biomedicine - Other Topics 2 Materials Science, Multidisciplinary 2
Meteorology & Atmospheric Sciences 2 Microbiology 2 Oncology 2
Plant Sciences; Chemistry, Medicinal; Pharmacology & Pharmacy 2 Psychiatry 2 Water Resources 2
chemistry 2 meteorology & atmospheric sciences 2 multidisciplinary sciences 2
veterinary sciences 2 元素有机化学 2 农学(农艺学) 2
化学 2 半导体材料 2 半导体物理 2
天文和天体物理 2 天文学::天体测量学 2 天文学::太阳与太阳系 2
天文学::恒星与银河系::恒星天文学 2 岩石学 2 智能信息系统 2
构造地质学 2 火成岩岩石学 2 物理化学与绿色催化 2
物理学::高能物理学 2 空间环境 2 预防医学、卫生学 2
537.1 Heat Treatment Processes;544 Copper and Alloys;549 Nonferrous Metals and Alloys;933.1 Crystalline Solids 1 601.3 Mechanisms 1 711 Electromagnetic Waves;714.2 Semiconductor Devices and Integrated Circuits;932.1 High Energy Physics 1
714.2 Semiconductor Devices and Integrated Circuits;741.3 Optical Devices and Systems;932.1 High Energy Physics 1

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