Any changes in sunspotNumbers reflect changes inside the sun.
黑子数目的任何改变都反映了太阳内部活动的变化。
2
Many Numbers were based on the sunspot cycle, which they had discovered.
很多号码在太阳黑子周期，这是他们发现的。
3
It has been verified that the prediction effect of the method is sound by predicting average sunspotNumbers per year, which is a typical statistical model.