首页 > Term: Solar Cycle
Solar Cycle
A period of 28 years, within which the first day of the year passes successively through the same sequence of week-days.
- 词性： noun
- 行业/领域： 语言
- 类别 Encyclopedias
- Organization: Project Gutenberg
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创建者
- JohannesDD
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(V.I.P) 14638 分数 - 100% positive feedback
(Sydney, Australia)
