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单词
degree-day
释义
WordReference Random House Unabridged Dictionary of American English © 2024
de•gree-day
(di grē
′
dā′),
USA pronunciation
n.
[
Engin.
]
Meteorology
one degree of departure, on a single day, of the daily mean temperature from a given standard temperature.
Abbr.:
dd Also,
degree
′
day′.
Cf.
cooling degree-day, growing degree-day, heating degree-day.
1925–1930
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更新时间:2026/5/8 7:47:56