| 单词 | degree day |
| 释义 | degree daynoun 1A day on which academic degrees are formally awarded.It was built to be used for large gatherings including degree day, drama and musical productions and examinations....
2A unit used to determine the heating requirements of buildings, representing a fall of one degree below a specified average outdoor temperature (usually 18°C or 65°F) for one day.Weather contracts on U.S. cities for the winter months are tied to an index of heating degree day values. |
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