| 释义 |
de·gree-day AHD[dĭ-grēʹdā'] D.J.[dɪˈgriːˌdeɪ]K.K.[dɪˈgriˌde]n.（名词）- A unit of measurement equal to a difference of one degree between the mean outdoor temperature on a certain day and a reference temperature, used in estimating the energy needs for heating or cooling a building.度-日：一测量单位，等于某一天户外温度的平均值和一参照温度之间一度的差别，用来估计加热或冷却一座建筑物所需要的能量
|