英语词汇“mean solar time”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

mean solar time

noun [mass noun] Astronomy

Time as calculated by the motion of the mean sun (such as is shown by an ordinary clock).The tropical, or solar, year is measured relative to the sun and is the time between successive vernal equinoxes (365 days, 5 hr, 48 min, 46 sec of mean solar time)....

The mean solar time on the Greenwich Meridian of longitude, was defined to pass through the Airy Transit Circle at Greenwich in England and was adopted internationally as the zero of longitude at a conference in Washington in 1884.

单词	mean solar time
释义	mean solar time noun [mass noun] Astronomy Time as calculated by the motion of the mean sun (such as is shown by an ordinary clock).The tropical, or solar, year is measured relative to the sun and is the time between successive vernal equinoxes (365 days, 5 hr, 48 min, 46 sec of mean solar time).... The mean solar time on the Greenwich Meridian of longitude, was defined to pass through the Airy Transit Circle at Greenwich in England and was adopted internationally as the zero of longitude at a conference in Washington in 1884.
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