The RoyalGreenwichObservatory was founded to observe and catalogue the stars.
当初创立皇家格林尼治天文台就是为了观察星体并对其进行编目。
2
Greenwich mean time (GMT) is mean solar time at the RoyalGreenwichObservatory in Greenwich, London, England, which by convention is at 0 degrees geographic longitude.
格林尼治国际标准以英国伦敦格林威治皇家天文台为准，也就是零经度为准。
3
The International Meridien Conference of 1884 established Greenwich Mean Time, referring to the mean solar time at the RoyalObservatory in Greenwich, near London.
1884年，国际子午线大会确立了格林威治标准时间（GMT），即伦敦附近的格林威治皇家气象台（the Royal Observatory in Greenwich）的平均太阳时间。