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农作物 326 植物保护 84 农业基础科学 58
农学(农艺学) 50 植物学 46 畜牧、动物医学、狩猎、蚕、蜂 35
经济学 33 Physics 15 昆虫学 14
分子生物学 13 园艺 12 历史学 10
遗传学 10 化学 9 Plant Sciences 8
农业工程 8 管理学 8 Biochemistry & Molecular Biology 7
宗教学 7 社会学 7 Agriculture 6
林业 6 轻工业、手工业、生活服务业 6 multidisciplinary sciences 5
其他学科 5 天文学 5 微生物学 5
政治学 5 Environmental Sciences & Ecology 4 Genetics & Heredity 4
Pharmacology & Pharmacy 4 人文、经济地理 4 哲学 4
环境污染及其防治 4 Chemistry 3 Environmental Sciences & Ecology; Plant Sciences 3
Multidisciplinary 3 Physical Geography 3 中国文学 3
变质岩岩石学 3 材料化学 3 法学 3
环境科学 3 Biochemistry & Molecular Biology; Plant Sciences 2 Cell Biology 2
Ecology 2 Environmental Sciences 2 Evolutionary Biology 2
Geography, Physical 2 Parasitology 2 chemistry 2
plant sciences 2 中国医学 2 光电子学 2
动物学 2 半导体物理 2 地球科学::地球物理学 2
地球科学::地质学 2 地理学::自然地理学 2 天文学::星系与宇宙学 2
建筑科学 2 教育学 2 文化学 2
材料科学 2 物理学 2 环境地质学 2
生物化学 2 生物工程学(生物技术) 2 社会科学总论 2
经济学;环境科学 2 经济学;经济学 2 自动化技术、计算机技术 2
行业污染、废物处理与综合利用 2 语言学 2 .Crystal Lattice;Solid State Physics;Classical Physics; Quantum Theory; Relativity;Chemical Products Generally;Materials Science; Electronic Equipment, non-communication;Small Tools and Hardware; Titanium and Alloys;Strength of Building Materials; Mechanical Properties;Electromagnetic Waves 1
421 Strength of Building Materials; Mechanical Properties;712.1 Semiconducting Materials;714.2 Semiconductor Devices and Integrated Circuits;812.1 Ceramics;921.4 Combinatorial Mathematics, Includes Graph Theory, Set Theory 1 531 Metallurgy and Metallography;539 Metals Corrosion and Protection; Metal Plating;712.1 Semiconducting Materials;741.1 Light/Optics;813.1 Coating Techniques;931.3 Atomic and Molecular Physics 1 542.3 Titanium and Alloys;741.3 Optical Devices and Systems;813.1 Coating Techniques;931.2 Physical Properties of Gases, Liquids and Solids 1
542.3 Titanium and Alloys;802.2 Chemical Reactions;802.3 Chemical Operations;804 Chemical Products Generally;804.1 Organic Compounds;951 Materials Science 1 543.2 Manganese and Alloys;546.3 Zinc and Alloys;547.2 Rare Earth Metals;741.1 Light/Optics;804.1 Organic Compounds 1 545.1 Iron;641.1 Thermodynamics;712.1 Semiconducting Materials;802.2 Chemical Reactions;813.2 Coating Materials;933.2 Amorphous Solids 1
547.2 Rare Earth Metals;549.1 Alkali Metals;741.1 Light/Optics;802.2 Chemical Reactions 1 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals;702.3 Solar Cells 1 641.1 Thermodynamics;702.3 Solar Cells;714.2 Semiconductor Devices and Integrated Circuits;802.3 Chemical Operations;804.2 Inorganic Compounds;933.1 Crystalline Solids 1
655.1 Spacecraft, General;656.1 Space Flight;657.1 Solar Energy and Phenomena;701.1 Electricity: Basic Concepts and Phenomena;714.2 Semiconductor Devices and Integrated Circuits;731.3 Specific Variables Control 1 701.1 Electricity: Basic Concepts and Phenomena - 712.1 Semiconducting Materials 1 701.1 Electricity: Basic Concepts and Phenomena;712.1 Semiconducting Materials;714.2 Semiconductor Devices and Integrated Circuits;741.1 Light/Optics 1
701.1 Electricity: Basic Concepts and Phenomena;712.1.1 Single Element Semiconducting Materials;712.2 Thermionic Materials 1 703.1 Electric Networks;714.2 Semiconductor Devices and Integrated Circuits;717.1 Optical Communication Systems;744.4.1 Semiconductor Lasers 1 703.1 Electric Networks;717.2 Optical Communication Equipment;741.3 Optical Devices and Systems 1
712.1 Semiconducting Materials;741.1 Light/Optics;933.1 Crystalline Solids 1 712.1.2 Compound Semiconducting Materials;741.1 Light/Optics;804 Chemical Products Generally 1 712.2 Thermionic Materials;714.1 Electron Tubes;741.1 Light/Optics 1
714.2 Semiconductor Devices and Integrated Circuits;921 Mathematics;931 Classical Physics; Quantum Theory; Relativity;933 Solid State Physics 1 723 Computer Software, Data Handling and Applications;921 Mathematics 1 741.1 Light/Optics 1
741.1 Light/Optics;804.2 Inorganic Compounds;921.5 Optimization Techniques;951 Materials Science 1 741.1 light/optics;744.4.1 semiconductor lasers;931.3 atomic and molecular physics 1 741.3 Optical Devices and Systems;941.4 Optical Variables Measurements 1
801 Chemistry - 802.2 Chemical Reactions - 802.3 Chemical Operations - 804.1 Organic Compounds - 931.3 Atomic and Molecular Physics 1

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