| 单词 | mean solar time |
| 例句 | If mean solar time were strictly observed, people traveling east or west would have to reset their watches continually as the longitude changed, just to read the local mean time correctly. Astronomy 2016-10-13T00:00:00Z Due to the earth's elliptical orbit, the sun can be as much as 16 minutes out of line with mean solar time. The element that redefined time 2014-10-03T04:00:00Z The difference between the corrected time and 12 o'clock will be the correction of your watch referred to local mean solar time. A Text-Book of Astronomy 2011-01-05T03:00:57.347Z In the 17th century it was a favourite device to make a clock show sidereal time as well as mean solar time. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The Earth accomplishes a revolution on its axis in 23 hours 56 minutes 4 seconds mean solar time, which is the length of the sidereal day. The Astronomy of Milton's 'Paradise Lost' Within each zone, all places keep the same standard time, with the local mean solar time of a standard line of longitude running more or less through the middle of each zone. Astronomy 2016-10-13T00:00:00Z At 9 hours, 59 minutes, 30 seconds mean solar time, Arcturus was in the exact centre of the band, at which time it was very bright, and full 7° wide. Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence I. When the mean solar time is known. A Text-Book of Astronomy 2011-01-05T03:00:57.347Z In England the standard time is Greenwich mean solar time. The Gutenberg Webster's Unabridged Dictionary Section T, U, V, and W It was half-past three by mean solar time for that particular longitude. The British Barbarians Apparent solar time is based on the position of the Sun in the sky, and mean solar time is based on the average value of a solar day during the year. Astronomy 2016-10-13T00:00:00Z Although mean solar time has the advantage of progressing at a uniform rate, it is still inconvenient for practical use because it is determined by the position of the Sun. Astronomy 2016-10-13T00:00:00Z How is the situation improved by introducing mean solar time and standard time? Astronomy 2016-10-13T00:00:00Z |
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