更新时间：2025-03-10 12:44:48
abbr.(缩略词)- =December 十二月
- =Data Equipment Company （美国）数据设备公司
- =Digital Equipment Corporation （美国）数字设备公司
Noun:- the last (12th) month of the year
- (astronomy) the angular distance of a celestial body north or to the south of the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere
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