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农作物 351 农学(农艺学) 92 植物保护 85
astronomy & astrophysics; physics 84 农业基础科学 58 植物学 50
physics 38 园艺 33 经济学 30
天文学 24 管理学 19 plant sciences 18
agronomy 17 昆虫学 16 轻工业、手工业、生活服务业 16
Physics 15 民族学 15 天文学::天体物理学 14
天文学::天体物理学::高能天体物理学 14 遗传学 14 半导体物理 13
外国文学 12 环境科学 12 畜牧、动物医学、狩猎、蚕、蜂 12
genetics & heredity 11 horticulture 11 社会学 10
化学 9 历史学 8 教育学 8
环境污染及其防治 8 分子生物学 7 化学工业 7
图书馆、情报与文献学 7 法学 7 其他学科 6
农业工程 6 材料科学与物理化学 6 核科学技术 6
Biochemistry & Molecular Biology 5 中国文学 5 林业 5
Biochemistry & Molecular Biology; Biophysics 4 Instruments & Instrumentation; Nuclear Science & Technology; Physics; Spectroscopy 4 chemistry 4
物理学 4 生物工程学(生物技术) 4 考古学 4
自动化技术、计算机技术 4 Chemistry 3 Chemistry; Nuclear Science & Technology; Physics 3
Neurosciences & Neurology 3 agriculture, multidisciplinary 3 biotechnology & applied microbiology 3
地理学::自然地理学 3 宗教学 3 水产、渔业 3
环境科学基础理论 3 生物化学 3 空间物理 3
Agriculture; Chemistry 2 Anatomy & Morphology; Developmental Biology 2 Astronomy & Astrophysics 2
Biochemistry & Molecular Biology; Genetics & Heredity; Chemistry; Oncology 2 Electrochemistry 2 Electrochemistry; Energy & Fuels 2
Engineering, Environmental 2 Environmental Sciences 2 Environmental Sciences & Ecology; Public, Environmental & Occupational Health; Geology; Physics; Toxicology 2
Infectious Diseases; Virology; Genetics & Heredity; Pediatrics; Gastroenterology & Hepatology; Biochemistry & Molecular Biology 2 Instruments & Instrumentation 2 Materials Science 2
Oceanography 2 Science & Technology - Other Topics 2 Science & Technology - Other Topics; Biochemistry & Molecular Biology 2
environmental sciences & ecology 2 materials science; physics 2 neurosciences & neurology; psychiatry 2
oncology 2 psychology; psychiatry 2 science & technology - other topics 2
中国文学;其他学科 2 光电子学 2 原子能技术 2
哲学 2 微生物学 2 政治学 2
新闻学与传播学 2 物理化学 2 物理化学与绿色催化 2
物理学::高能物理学 2 社会科学总论 2 语言学 2
预防医学、卫生学 2 412.1 Cement;421 Strength of Building Materials; Mechanical Properties;483.1 Soils and Soil Mechanics;802.2 Chemical Reactions;804.2 Inorganic Compounds;931.1 Mechanics 1 536 Powder Metallurgy;548.1 Nickel;931.2 Physical Properties of Gases, Liquids and Solids;931.3 Atomic and Molecular Physics;932.3 Plasma Physics;943.3 Special Purpose Instruments 1
548.1 Nickel;761 Nanotechnology;932.3 Plasma Physics;933.1.1 Crystal Lattice;951 Materials Science 1 548.1 Nickel;931.2 Physical Properties of Gases, Liquids and Solids;933.1.1 Crystal Lattice 1 712.1 Semiconducting Materials;741.1 Light/Optics;804.2 Inorganic Compounds;812.2 Refractories;931 Classical Physics; Quantum Theory; Relativity;931.1 Mechanics;931.2 Physical Properties of Gases, Liquids and Solids;932.1 High Energy Physics;951 Materials Science;547.2 Rare Earth Metals;408.2 Structural Members and Shapes;421 Strength of Building Materials; Mechanical Properties;482.2 Minerals;531 Metallurgy and Metallography;531.1 Metallurgy;539 Metals Corrosion and Protection; Metal Plating;539.3 Metal Plating;545.3 Steel;546.2 Tin and Alloys 1
802 Chemical Apparatus and Plants; Unit Operations; Unit Processes;741.1 Light/Optics;548.2 Nickel Alloys;531.1 Metallurgy;804.1 Organic Compounds;462.2 Hospitals, Equipment and Supplies;461.8 Biotechnology;461.6 Medicine and Pharmacology;461.2 Biological Materials and Tissue Engineering;461.9.1 Immunology 1

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