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单词 degree-day
释义

WordReference Random House Unabridged Dictionary of American English © 2024
de•gree-day  (di grēdā′),USA pronunciation n. [Engin.]
  1. Meteorologyone 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:2025/7/23 13:39:25