Aerkayimu not just a city, as well as astronomical observatory.

阿尔卡伊姆不仅仅是一座城市, 同时也是天文观测台.

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Now, the MK 5 A system has been successfully applied in all VLBI experiments of Shanghai Astronomical Observatory.

目前, MK5A终端系统已经成功地应用于上海天文台所有的VLBI实验.

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The astronomical observatory in Greenwich, England, was chosen as the starting point for the time zones.

英格兰的格林尼治天文台被选为时区的起始点.

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It has been called an astronomical observatory for marking significant events on the prehistoric calendar.

它曾称作是天文台,记载史前重大事件.

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