degree-day factor 度日因子
With meteorological factor, distance to the predicting day and weekday type considered, a quantitative model was given to calculate the similarity degree.
文中研究了气象因素、距离即日期差距和星期类型对负荷的影响关系，建立了相似度的量化模型。
Degree-day factor is an important parameter of degree-day model which is a widely used method for ice and snow melt computation.
在冰川与积雪消融研究中，度日模型应用较为广泛，该模型是基于冰雪消融与气温，尤其是正积温之间的线性关系建立的。
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