armillary sphere是什么意思 armillary sphere怎么读
armillary sphere的英文翻译是什么意思，词典释义与在线翻译
Noun:- a celestial globe consisting of metal hoops; used by early astronomers to determine the positions of stars
armillary sphere的用法和样例
- To enable the armillary sphere to rotate, Zhang employed the gear system, linking the celestial globe and the kettle clepsydra.
漏水转浑天仪是有明确历史记载的世界上第一架用水力发动的天文仪器。
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