... 日影曲线The Shadow Curve 日食和月食Solar and Lunar Eclipses 恒星及会合运转周期Sidereal and Synodic Revolution Periods ...
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Shi Shen discovered the reason for solar and lunar eclipses. A crater on the moon has been named after Shi Shen.
为了纪念石申，月球上有一座环形山就是用他的名字命名的。
For planet Earth there are about two seasons each year during which the orientation of the Moon's orbit is favorable for solar and lunar eclipses.
对地球而言，每年基本上有两个日月的季节，该时，月球轨道的指向有利于日食或月食的发生。
The findings led historians to realise the computer was actually an incredibly accurate celestial calendar, capable of predicting solar and lunar eclipses.
历史学家发现这台计算机在测算天文日历、日食、月食的运动状态方面的精确程度令人难以置信。
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