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Geology; Meteorology & Atmospheric Sciences; Water Resources 3 Developmental Biology; Genetics & Heredity; Reproductive Biology 2 物理化学 2
Agricultural Methods;Chemical Products Generally; Chemistry, General; Agricultural Products; Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals; Environmental Impact and Protection;Strength of Building Materials; Mechanical Properties;Metallurgy and Metallography 1 Chemistry; Electrochemistry; Instruments & Instrumentation 1 Environmental Sciences & Ecology 1
Multidisciplinary Sciences 1 Remote Sensing 1 Science & Technology - Other Topics 1
Science & Technology - Other Topics; Environmental Sciences & Ecology 1 煤和生物质的燃烧 1 马克思主义;教育学 1

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