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共125条,第1-100条
Geosciences, Multidisciplinary
24
Meteorology & Atmospheric Sciences
24
Forestry
18
Environmental Sciences
16
Physics
16
Ecology
14
生物科学
13
Agronomy
12
Environmental Sciences & Ecology
11
地理学::自然地理学
10
Geosciences
9
Multidisciplinary
9
Agriculture
8
Plant Sciences
8
Water Resources
8
Agronomy; Forestry; Meteorology & Atmospheric Sciences
7
Geology
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7
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Oceanography
5
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Science & Technology - Other Topics
4
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Engineering
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Multidisciplinary Sciences
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geochemistry & geophysics
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农作物
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生物学::生态学
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生物科学::普通生物学
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生物科学::植物学
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2
agriculture; forestry; meteorology & atmospheric sciences
2
environmental sciences & ecology
2
meteorology & atmospheric sciences
2
农业科学
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农业科学::林业
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医学心理学
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半导体物理
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地球科学::地理学
2
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2
天文学
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微波遥感
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2
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Agriculture, Multidisciplinary; Ecology; Environmental Sciences
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1
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Medical psychology
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Nuclear Science & Technology
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P642.23
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Physics, Multidisciplinary
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Systems Science;Mathematics; Control Systems;Computer Software, Data Handling and Applications; Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory;Telephone Systems and Related Technologies; Line Communications;Optical Communication; Information Theory and Signal Processing;Telecommunication; Radar, Radio and Television
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aerospace
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agronomy
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ecology
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electrical & electronic
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engineering
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geology
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multidisciplinary sciences
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physics
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science & technology - other topics
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telecommunications
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