Armillary sphere prepares to rise not quite convenient, with one article copper cash can.
渾儀預備起來不太方便, 用一文銅錢即可.
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In the Palace Museum, there is an armillary sphere used for observing astronomical phenomena.
故宮里有測量天象的璇璣.
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He developed an armillary sphere, on which were carved all the astronomical phenomena known time.
經過多年的觀察,他研制了一架“渾天儀”.凡是知道的重要天文現象, 都刻在“渾天儀”上了.
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