Suzanne-Claire Williams: "The Astronomical Clock in Prague's Old Town Square.
Suzanne-ClaireWilliams：“布拉格旧城广场的天文钟。
Using water power and having all the functions of the armill ary sphere it was the first astronomical clock in the world.
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.
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。
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