僧一行測量過不同地點北極星的不同高度,這離地圓的結論隻有一步之遙了,但他拒絕做任何理論猜想,隻用測量數據改進曆法。
僧一行測量過不同地點北極星的不同高度,這離地圓的結論隻有一步之遙了,但他拒絕做任何理論猜想,隻用測量數據改進曆法。
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