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浑仪注/ 渾儀註 Hunyi Zhu
An astronomical book by the Han dynasty astronomer 张衡 , detailing his theories on the celestial sphere and the armillary sphere.
References
No references for this word.
An astronomical book by the Han dynasty astronomer 张衡 , detailing his theories on the celestial sphere and the armillary sphere.
No references for this word.