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积雪日数
释义
积雪日数
Encyclopedia
农学
积雪日数
释
snow-covered days
积雪日数
对于积雪日的定义,在中国积雪研究中存在两种标准,第一种是根据天气现象来定义,即当观测场上视野范围内一半以上被积雪覆盖时,就记为积雪日;第二种是根据积雪深度来定义,即当积雪面积达到观测要求,且其深度达到规定深度(例如0.5厘米以上深度的积雪)时,记为积雪日。
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wind separation equipment
wind-shakable stone
wind-shaken
wind shear
wind shear theory
wind-solar hybrid power station
wind-solar hybrid utilization project in rural area
Windsor
wind speed
wind stirring due to yin deficiency
wind stroke
windsurfing
wind surges
wind tunnel
wind tunnel balance
wind tunnel balance static calibration bed
wind tunnel experiment
wind tunnel flow field qualities
wind tunnel measurement techniques
wind tunnel test
wind tunnel testing
wind tunnel test on the inlet
wind-tunnel wall effect
wind turbine
wind turbine generator
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