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农作物 83 天文学 73 植物保护 62
经济学 46 农业基础科学 36 天文学::星系与宇宙学 35
Physics 32 天文学::天体物理学 31 天文学::天体物理学::高能天体物理学 29
园艺 24 管理学 24 植物学 15
社会学 15 昆虫学 13 农学(农艺学) 12
地理学::自然地理学 12 教育学 11 环境科学 11
化学 10 环境污染及其防治 10 Astronomy & Astrophysics 9
天文学::恒星与银河系 8 Chemistry 7 畜牧、动物医学、狩猎、蚕、蜂 7
轻工业、手工业、生活服务业 7 physics 6 农业工程 6
天文学::天体物理学::实测天体物理学 6 天文学::射电天文学 6 考古学 6
Plant Sciences 5 chemistry 5 分子生物学 5
哲学 5 天文学::星系与宇宙学::星系天文学 5 政治学 5
物理学 5 电子、通信与自动控制技术 5 Thermodynamics; Physics 4
中国文学 4 人文、经济地理 4 其他学科 4
天文学::恒星与银河系::恒星形成与演化 4 法学 4 Biochemistry & Molecular Biology 3
Genetics & Heredity 3 Mycology 3 biochemistry & molecular biology 3
图书馆、情报与文献学 3 天文学::天文学其他学科 3 微生物学 3
心理学 3 物理化学与绿色催化 3 环境科学基础理论 3
Agronomy 2 Environmental Sciences; Geography, Physical; Geosciences, Multidisciplinary 2 Multidisciplinary Sciences 2
Optics 2 Personality psychology 2 Science & Technology - Other Topics; Genetics & Heredity 2
Soil Science 2 Zoology 2 cell biology 2
materials science; physics 2 oncology 2 plant sciences 2
plant sciences; pharmacology & pharmacy; integrative & complementary medicine 2 science & technology - other topics 2 surgery 2
光学薄膜 2 光电子学 2 半导体材料 2
半导体物理 2 历史学 2 地球科学::地理学 2
地质学 2 大气科学(气象学) 2 天文学::恒星与银河系::恒星天文学 2
林业 2 民族学 2 物理化学 2
环境地球化学 2 遗传学 2 .Particle Accelerators; Optical Devices and Systems; Light/Optics; Artificial Intelligence; Data Processing and Image Processing; Digital Computers and Systems; Data Storage, Equipment and Techniques; Thermodynamics; Biomedical Engineering 1
441.1 Dams;444.2 Groundwater;483.1 Soils and Soil Mechanics;483.2 Foundations 1 461.1 Biomedical Engineering;921 Mathematics 1 461.2 Biological Materials and Tissue Engineering;723.2 Data Processing and Image Processing;723.4 Artificial Intelligence;921 Mathematics 1
483.1 Soils and Soil Mechanics;547.1 Precious Metals;549.1 Alkali Metals;641.3 Mass Transfer;801.4 Physical Chemistry;803 Chemical Agents and Basic Industrial Chemicals 1 483.1 Soils and Soil Mechanics;641.1 Thermodynamics;801.4 Physical Chemistry;804.2 Inorganic Compounds;931.2 Physical Properties of Gases, Liquids and Solids 1 537.1 Heat Treatment Processes;708.1 Dielectric Materials;804.2 Inorganic Compounds;812.3 Glass 1
547.2 Rare Earth Metals;804.1 Organic Compounds;812.3 Glass 1 641.1 Thermodynamics;702.3 Solar Cells;741.1 Light/Optics;802.2 Chemical Reactions;932.3 Plasma Physics;933.2 Amorphous Solids 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;714.1 Electron Tubes;714.2 Semiconductor Devices and Integrated Circuits;741.1 Light/Optics;804 Chemical Products Generally 1 712.1 Semiconducting Materials;741.1 Light/Optics;802.3 Chemical Operations;804.2 Inorganic Compounds;933.1.2 Crystal Growth 1 712.1 Semiconducting Materials;741.1 Light/Optics;933.1 Crystalline Solids 1
712.1 Semiconducting Materials;741.3 Optical Devices and Systems;812 Ceramics, Refractories and Glass;931.2 Physical Properties of Gases, Liquids and Solids;931.3 Atomic and Molecular Physics;933.1.1 Crystal Lattice 1 712.1.2 compound semiconducting materials;714.2 semiconductor devices and integrated circuits;741.1 light/optics;804.2 inorganic compounds;931.3 atomic and molecular physics 1 714.2 Semiconductor Devices and Integrated Circuits;741 Light, Optics and Optical Devices;931.3 Atomic and Molecular Physics;933.1 Crystalline Solids 1
717.1 Optical Communication Systems - 741.1.2 Fiber Optics - 931.3 Atomic and Molecular Physics 1

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