天体仪，古称“浑象”，是中国古代一种用于演示天象的仪器。
The celestial globe was an instrument for demonstrating astronomic phenomena in ancient China.
以水为动力，集浑仪、浑象、报时装置于一体，是世界上最早的天文钟。
Using water power and having all the functions of the armill ary sphere it was the first astronomical clock in the world.
这仪器又称浑象，球上刻有星宿赤道黄道等，主要是用来显示天体在不同时间的位置。
The sphere , which was marked with stars , the celestial equator and the ecliptic , was mainly used to show the positions of celestial objects at different times.
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