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Environmental Sciences 5 Biodiversity Conservation 4 Ecology 4
P642.14 3 地理学::自然地理学 3 Agriculture/agronomy 2
Environment/ecology 2 Agronomy 1 Forestry 1
Meteorology & Atmospheric Sciences 1 Multidisciplinary Sciences 1 Q14 1
S152 1 S157 1 S812 1
S812.2 1 geochemistry & geophysics 1 optical devices and systems;engineering research;optical variables measurements; electric and electronic measuring instruments; mechanical and miscellaneous measuring instruments;soils and soil mechanics;control instrumentation; electromagnetic waves;control systems 1
土壤学 1 地理学::自然地理学::水文地理学及水资源,地理学::自然地理学::气候学 1 植物学 1
水文地理学 1 环境学 1 生态学 1
自然地理学 1

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