| 单词 | mean solar time |
| 释义 | mean solar time (once / 472773 pages) n WORD FAMILY mean solar time USAGE EXAMPLESDue to the earth's elliptical orbit, the sun can be as much as 16 minutes out of line with mean solar time. BBC(Oct 03, 2014) Does air traffic control have embedded assumptions about mean solar time or Earth orientation? BusinessWeek(Dec 22, 2011) I. When the mean solar time is known. Comstock, George C., A Text-Book of Astronomy(2011) n (astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator) Syn|Hyper mean time time unit, unit of time a unit for measuring time periods |
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