1. 浑仪是中国古代测定天体位置的仪器，发明于战国时期（公元前475-前221年），唐宋时期趋于完善。
The armillary sphere was used to measure the location of celestial bodies.
2. 浑仪
2. 这是圆满旋转浑仪是液压动力，但它纳入一个擒纵机制二百年才找到他们，在clockworks欧洲，和精选的第一个已知的无休止的权力转递链驾驶。
It was crowned with a rotating armillary sphere that was hydraulic-powered (ie by waterwheel and clepsydra clock), yet it incorporated an escapement mechanism two hundred years before they were found in clockworks of Europe, and featured the first known endless power-transmitting chain drive.
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3. 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 armillary sphere, it was the first astronomical clock in the world.
4. 对我国宋代测时设备圭表、日晷、浑仪和守时设备漏壶，从它们的结构，读数装置、观测方法等分析其观测误差。
The structure, reading set and observing methods of the instruments for time measuring and keeping, such as gnomon, sundial, armillary sphere and clepsydra in Song dynasty, have been analysed and their observation errors have been obtained.
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5. 明铸浑仪反映了宋至元代浑仪的研究成果，留有其流传沿革的痕迹，玑衡抚辰仪是清代所铸的最后一架大型简化浑仪，两仪相距时间跨度有300余年。
The armillary sphere made in the Ming Dynasty was the result of research by scholars of the song Dynasty, and the New Armillary sphere, with an interval of more than 300 years between the two instruments.
6. 北宋科学家苏颂与公元1088年研制水运仪象台。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。
In 1088 Su Song, a scientist of the Northern Song Dynasty, directed the research and production of the first water-driven astronomical clock tower; it used water power and had all the functions of the armillary sphere.