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农作物 68 农业基础科学 56 植物保护 34
环境污染及其防治 30 农学(农艺学) 19 环境科学基础理论 18
植物学 16 园艺 14 天文学 11
畜牧、动物医学、狩猎、蚕、蜂 11 管理学 11 教育学 10
半导体材料 8 经济学 7 轻工业、手工业、生活服务业 6
分子生物学 5 化学工业 5 大气科学(气象学) 5
天文学::天体物理学 5 昆虫学 5 林业 5
天文学::天体物理学::高能天体物理学 4 环境质量评价与环境监测 4 考古学 4
光电子学 3 政治学 3 社会学 3
Electrochemistry 2 Environmental Sciences & Ecology; Public, Environmental & Occupational Health; Geology; Physics; Toxicology 2 Genetics & Heredity 2
Materials Science; Physics 2 Physics 2 Research & Experimental Medicine 2
Virology 2 meteorology & atmospheric sciences 2 中国文学 2
化学 2 哲学 2 地理学::自然地理学 2
外国文学 2 岩矿鉴定与测试 2 核科学技术 2
水产、渔业 2 法学 2 环境科学 2
考古学;考古学 2 艺术学 2 .Fission and Fusion Reactions; Radiation Measurements 1
421 Strength of Building Materials; Mechanical Properties;531 Metallurgy and Metallography;548 Nickel and Alloys;741 Light, Optics and Optical Devices;804 Chemical Products Generally 1 537.1 Heat Treatment Processes;701.1 Electricity: Basic Concepts and Phenomena;802.2 Chemical Reactions;804.2 Inorganic Compounds 1 539.3 Metal Plating;713 Electronic Circuits;802.3 Chemical Operations;804.2 Inorganic Compounds;813 Coatings and Finishes 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;714.2 Semiconductor Devices and Integrated Circuits;741.1 Light/Optics;804.2 Inorganic Compounds;813.1 Coating Techniques;933.1.1 Crystal Lattice 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 - 714.2 Semiconductor Devices and Integrated Circuits - 741.1 Light/Optics 1 712.1 Semiconducting Materials;741.1 Light/Optics;761 Nanotechnology;801.4.1 Electrochemistry;804.2 Inorganic Compounds 1 712.1 Semiconducting Materials;741.1 Light/Optics;801.4.1 Electrochemistry 1
712.1.2 Compound Semiconducting Materials;741.1 Light/Optics;804 Chemical Products Generally 1 714.1 Electron Tubes;714.2 Semiconductor Devices and Integrated Circuits 1 714.2 Semiconductor Devices and Integrated Circuits;741.1 Light/Optics;741.3 Optical Devices and Systems;804.1 Organic Compounds 1
714.2 semiconductor devices and integrated circuits;731.1 control systems 1 741.1 Light/Optics 1 741.1.2 Fiber Optics;741.3 Optical Devices and Systems;744.4 Solid State Lasers 1
741.1.2 Fiber Optics;744 Lasers 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 1 802.2 Chemical Reactions - 804.1 Organic Compounds - 815.1 Polymeric Materials 1
944 Moisture, Pressure and Temperature, and Radiation Measuring Instruments;943 Mechanical and Miscellaneous Measuring Instruments;942 Electric and Electronic Measuring Instruments;941 Acoustical and Optical Measuring Instruments;921.6 Numerical Methods;921 Mathematics;821.3 Agricultural Methods;723 Computer Software, Data Handling and Applications;714 Electronic Components and Tubes;706.1.1 Electric Power Transmission;706 Electric Transmission and Distribution;701.1 Electricity: Basic Concepts and Phenomena;402.4 Towers 1 951 Materials Science;812.3 Glass;804.2 Inorganic Compounds;804.1 Organic Compounds;804 Chemical Products Generally;802.3 Chemical Operations;801.4.1 Electrochemistry;813.1 Coating Techniques;931.2 Physical Properties of Gases, Liquids and Solids;931.3 Atomic and Molecular Physics;933 Solid State Physics;933.1.1 Crystal Lattice;942.2 Electric Variables Measurements;815.1.1 Organic Polymers;801.3 Colloid Chemistry;801 Chemistry;421 Strength of Building Materials; Mechanical Properties;462.4 Prosthetics;523 Liquid Fuels;546.2 Tin and Alloys;548.1 Nickel;548.2 Nickel Alloys;701.1 Electricity: Basic Concepts and Phenomena;712.1 Semiconducting Materials;712.1.2 Compound Semiconducting Materials;714.2 Semiconductor Devices and Integrated Circuits;741.1 Light/Optics;741.3 Optical Devices and Systems 1 951 Materials Science;933.1.2 Crystal Growth;933.1 Crystalline Solids;813 Coatings and Finishes;741.3 Optical Devices and Systems;714.2 Semiconductor Devices and Integrated Circuits;714 Electronic Components and Tubes;712 Electronic and Thermionic Materials;704 Electric Components and Equipment;701.1 Electricity: Basic Concepts and Phenomena;547.2 Rare Earth Metals 1
Abnormal psychology,Developmental psychology 1 Agriculture 1 Air Pollution; Magnetism: Basic Concepts and Phenomena 1
Biochemistry & Molecular Biology 1 Biochemistry & Molecular Biology; Cardiovascular System & Cardiology; Neurosciences & Neurology 1 Biochemistry & Molecular Biology; Cell Biology; Physics; Agriculture 1
Biochemistry & Molecular Biology; Endocrinology & Metabolism; Pharmacology & Pharmacy 1 Biochemistry & Molecular Biology; Microbiology; Genetics & Heredity 1 Biochemistry & Molecular Biology; Pediatrics; Virology; Genetics & Heredity; Infectious Diseases 1
Biodiversity & Conservation 1 Biomechanics, Bionics and Biomimetics; Dental Equipment and Supplies 1 Cell Biology; Toxicology 1
Chemical Operations;Safety Engineering; Physical Properties of Gases, Liquids and Solids 1 Computer Applications;High Energy Physics; Nuclear Physics; Plasma Physics 1 Computer Science; Environmental Sciences & Ecology; Plant Sciences 1
Computer Science; Public, Environmental & Occupational Health; Meteorology & Atmospheric Sciences; Environmental Sciences & Ecology 1 Concrete; Meteorology; Atmospheric Properties; Water Resources; Water Supply Systems; Biology; Soils and Soil Mechanics; Control Systems; Agricultural Methods; Agricultural Products 1 Construction Equipment and Methods; Surveying; Quality Assurance and Control; Probability Theory; Mathematical Statistics; Physical Properties of Gases, Liquids and Solids 1
Developmental Biology; Science & Technology - Other Topics 1 Electricity: Basic Concepts and Phenomena; Atomic and Molecular Physics; High Energy Physics;.Particle Accelerators 1 Engineering, Chemical 1
Environmental Impact and Protection; Quality Assurance and Control;Mathematics;Systems Science 1 Environmental Sciences & Ecology 1 Environmental Sciences & Ecology; Paleontology 1
Environmental Sciences & Ecology; Public, Environmental & Occupational Health 1 Environmental Sciences & Ecology; Public, Environmental & Occupational Health; Geography; Plant Sciences 1 Environmental Sciences & Ecology; Public, Environmental & Occupational Health; Plant Sciences 1
Fluid Flow, General;Mathematics; Atomic and Molecular Physics 1 Genetics & Heredity; Pharmacology & Pharmacy; Reproductive Biology; Toxicology 1 Geriatrics & Gerontology; Oncology; Biochemistry & Molecular Biology; Genetics & Heredity 1
Geriatrics & Gerontology; Pharmacology & Pharmacy; Immunology; Rheumatology; Health Care Sciences & Services; Biochemistry & Molecular Biology 1

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