Definition of mean solar time in English:

mean solar time

noun

mass nounAstronomy

Time as calculated by the motion of the mean sun (such as is shown by an ordinary clock).
〔天文〕平均太阳时，平太阳时
Example sentencesExamples
- 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.

Definition of mean solar time in US English:

mean solar time

noun

Astronomy

Time as calculated by the motion of the mean sun. The time shown by an ordinary clock corresponds to mean solar time.
〔天文〕平均太阳时，平太阳时
Compare with apparent solar time
Example sentencesExamples
- 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.

词汇	mean solar time
释义	Definition of mean solar time in English: mean solar time noun mass nounAstronomy Time as calculated by the motion of the mean sun (such as is shown by an ordinary clock). 〔天文〕平均太阳时，平太阳时 Example sentencesExamples 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. Definition of mean solar time in US English: mean solar time noun Astronomy Time as calculated by the motion of the mean sun. The time shown by an ordinary clock corresponds to mean solar time. 〔天文〕平均太阳时，平太阳时 Compare with apparent solar time Example sentencesExamples 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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