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Physics 20 农作物 19 农学(农艺学) 16
物理化学 16 Plant Sciences 15 Microbiology 12
构造地质学 12 环境地球化学 10 地震地质学 9
Pharmacology & Pharmacy 8 半导体物理 8 Biotechnology & Applied Microbiology 7
半导体器件 7 经济学 7 Biochemistry & Molecular Biology 6
Engineering 6 Materials Science 6 701.1 electricity: basic concepts and phenomena;714.2 semiconductor devices and integrated circuits 5
Chemistry, Organic 5 Genetics & Heredity 5 天文学 5
植物学 5 Astronomy & Astrophysics 4 Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology; Genetics & Heredity 4
Chemistry 4 Chemistry, Medicinal 4 Chemistry, Multidisciplinary 4
Evolutionary Biology 4 Materials Science, Multidisciplinary 4 固体地球物理学 4
植物保护 4 自动化技术、计算机技术 4 Chemistry, Physical 3
Environmental Sciences & Ecology 3 Multidisciplinary 3 Multidisciplinary Sciences 3
Nanoscience & Nanotechnology 3 genetics & heredity 3 science & technology - other topics 3
农业基础科学 3 天文学::天体物理学 3 考古学 3
Agriculture 2 Agronomy 2 Computer Science 2
Crystallography 2 Environmental Sciences 2 Food Science & Technology 2
Geochemistry & Geophysics 2 Geology 2 Horticulture 2
Infectious Diseases 2 Metallurgy & Metallurgical Engineering 2 Parasitology 2
Plant Sciences; Chemistry, Applied; Chemistry, Medicinal; Pharmacology & Pharmacy 2 Polymer Science 2 Tropical Medicine 2
agriculture 2 agronomy 2 cell biology 2
chemistry 2 environmental sciences & ecology 2 optics 2
physics 2 science & technology - other topics; materials science; physics 2 光学与环境监测遥感技术::光谱分析与技术 2
光学材料;晶体 2 光学理论研究 2 内科学 2
半导体材料 2 历史学 2 园艺 2
地球物理勘探 2 天文和天体物理 2 天文学::天体物理学::实测天体物理学 2
天文学::天文学其他学科 2 天文学::恒星与银河系 2 天文学::恒星与银河系::恒星形成与演化 2
材料科学与物理化学 2 环境地质学 2 生物科学::普通生物学 2
生物科学::植物学 2 矿床地球化学 2 矿床地质 2
第四纪地质 2 铁路运输 2 537.1 Heat Treatment Processes;701.1 Electricity: Basic Concepts and Phenomena;802.2 Chemical Reactions;804.2 Inorganic Compounds 1
543.3 Molybdenum and Alloys;714.2 Semiconductor Devices and Integrated Circuits;716.1 Information Theory and Signal Processing;731.1 Control Systems 1 547 Minor, Precious and Rare Earth Metals and Alloys - 712 Electronic and Thermionic Materials 1 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals;702.3 Solar Cells 1
549.3 nonferrous metals and alloys excluding alkali and alkaline earth metals;712.1.1 single element semiconducting materials;802.2 chemical reactions;802.3 chemical operations;813.1 coating techniques;933.1.2 crystal growth 1 701.1 Electricity: Basic Concepts and Phenomena;712.1 Semiconducting Materials;714.2 Semiconductor Devices and Integrated Circuits;813.1 Coating Techniques;931.2 Physical Properties of Gases, Liquids and Solids 1 701.1 electricity: basic concepts and phenomena;706.2 electric power lines and equipment;714.2 semiconductor devices and integrated circuits 1
701.1 electricity: basic concepts and phenomena;706.2 electric power lines and equipment;714.2 semiconductor devices and integrated circuits;716 telecommunication; radar, radio and television;717 optical communication;718 telephone systems and related technologies; line communications 1 701.1 electricity: basic concepts and phenomena;712.1 semiconducting materials;714.2 semiconductor devices and integrated circuits 1 701.1 electricity: basic concepts and phenomena;714 electronic components and tubes 1
711 Electromagnetic Waves;714.2 Semiconductor Devices and Integrated Circuits;932.1 High Energy Physics 1 714.2 Semiconductor Devices and Integrated Circuits;723.5 Computer Applications;802.2 Chemical Reactions;921 Mathematics 1 714.2 semiconductor devices and integrated circuits;723.5 computer applications 1
744.9 Laser Applications;813 Coatings and Finishes 1

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