作者: W. Gleissberg
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摘要: Curves showing the mean course of solar activity in 11-year cycles with very low, high, and high maxima 80-year weak, moderate, strong ascent or descent, respectively, are constructed. Their construction is based on annual Wolf numbers from 1698 until 1964 secularly smoothed values Schove's auroral for each decade 331–340 1891–1900. The remarkable difference between behaviour cycles, one side, other becomes quite evident these curves. If Kopeck's interpretation accepted, it follows that rate formation spot groups varies an entirely manner than their average life-time.