“积雪日数”的概念、定义、翻译、参考文献-科学参考

单词	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。
随便看	Xiangxue Bao Xiangya Medical Academy Xiangyang City Xiangyang City Walls Xiangyang Economic-Technological Tevelopment Area Xiangyang flower-drum opera Xiangyang Flower Drum Opera Troupe Xiangyang high priest dance Xiangyang High-Tech Industrial Development Zone Xiangyang Municipal Museum(Xiangyang Municipal Institute of Cultural Relics and Archaeology,Xiangyang Municipal Heritage Restoration Center) Xiangyang Nangang Xiangyang Park in Shanghai Xiangyang Qu Xiangyang Shi Xiangyang-Shiyan-Suizhou Urban Agglomerations Xiangyang tune Xiangyang Xiaoqu ballad-singing Xiangyanju Cizhu Xiangyan Temple Xiangyin Xian Xiang Yu Xiang Yuanbian Xiangyuan dagu storytelling Xiangyuan Xian Xiangyun Ba

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