Artist rendition of newly designed world trade center tower at 200 greenwich street south seen at night 在格林威治南街本初子午线所经之地晚上艺术家展示了最新的世贸中心大楼的设计。
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Lines of longitude are measured in degrees east or west of the prime meridian , which runs through greenwich in london , while lines of latitude are given in degrees north of south of the equator 穿过伦敦格林尼治的经线叫做本初子午线（ 0度经线） ，经度以东西距离这条经线多少度来计算，而纬度以离赤道南北多少度来计算。
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The prime meridian , which runs through greenwich in south - east london , became the basis for the world ' s time keeping in 1884 after the first astronomer royal , john flamstead , calculated that the earth rotated on its axis once every 24 hours 1884年，首位皇家天文学家约翰法兰姆斯坦算出地球每隔24小时绕轴自转1次，使得通过伦敦东南格林威治的本初子午线成为全球计时基准。
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It created a standard for internet timekeeping that eliminated time zones , dividing the day into 1 , 000 increments that are the same anywhere on the globe , with the meridian at biel , switzerland , the location of swatch ' s headquarters 他们为网际网路设计了新的计时标准，不采取时区制，而是将每一天分隔成1000个单位，世界各地都标示同样的时间，以通过帅奇?总部所在地（瑞士俾尔市）的经线为本初子午线。
