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干燥指数
desert. aridity index; index of aridity (据 E. Mortonne (1926)的公式:P/t+10、式中P为年雨量 (mm)、t 为年平均温度(0°C))
tech. drying index; index of aridity
干燥指 数
: 3 phrases in 2 subjects
Desert science2
Earth sciences1