| 单词 | mean sun |
| 释义 | mean sun (once / 695254 pages) n WORD FAMILY mean sun USAGE EXAMPLES“Camping” can mean sun or snow, ticks or Zika-carrying mosquitos, poison ivy or water hemlock. US News(Jun 06, 2016) There you find the Right Ascension of the Mean Sun at Greenwich Mean Noon for every day in the year. Draper, Ernest Gallaudet, Lectures in Navigation(2010) n a theoretical sun that moves along the celestial equator at a constant speed and completes its annual course in the same amount of time the real sun takes at variable speeds Hyper framework, model, theoretical account a hypothetical description of a complex entity or process |
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