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积雪日数
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积雪日数
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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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agglomeration rents
agglutinability
agglutination
agglutination test
agglutinin
agglutinogen
agglutinoid
aggradate
aggrandize
aggrecan
aggregate
aggregate breeding value
aggregate control
aggregated consequential crime
aggregated degree
aggregated distribution
aggregated retrieval
aggregate financing to real economy
aggregate fruit
aggregate index number
aggregate loss model
Aggregate Measurement of Support
aggregate of productive forces
aggregate reserves
aggregate social labour
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