Astronomical Calculation Institute 天文学计算研究所
·2,447,543篇论文数据，部分数据来源于NoteExpress
According to the 3000 years of astronomical records also confirmed that the calculation of the moon is slowly leaving the earth away.
据3000年间的天文记录的计算也证实月亮在慢慢地离开地球而去。
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His system, which greatly eased astronomical calculation, had been published in 1543, to little ideological agitation.
NEWYORKER: Moon Man
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