人们可以通过浑天仪观测到日月星辰运行的情况。
People could observe the movement of the sun, moon and stars.
历代器物上都有龙的图饰，这是台中自然科学博物馆中陈列的仿宋代浑天仪模型。
The dragon has appeared on Chinese artifacts throughout the ages. This is the model of a fake Sung armillary sphere on display in the Taichung Natural Science Museum.
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