“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	high pressure homogenizer high pressure hydraulic system high pressure hydrogen reduction High-pressure hydrogen storage composite tank high pressure isothermal adsorption high pressure liquid chromatography high pressure liquid chromatography (HPLC) high pressure main steam valve high pressure mercury Lamp high pressure mercury lamp high-pressure mineralogy high pressure multi-stage pump high pressure nervous syndrome，HPNS high pressure oil pump metering unit high pressure organic synthesis high pressure oxygen treat high-pressure oxygen treat high pressure physics high pressure polyethylene high pressure pump high-pressure refolding high pressure roll crusher high pressure sizing high pressure sodium lamp high pressure spinning

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