The evolutions of corotating variation of some basic heliospheric parameters and energy parameters are studied in this paper for the solar cycle 20.

本文统计分析了日球基本参数及能量参数的共转变化在第20太阳周中不同位相的演变。

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Dr White thinks there may be an unknown one that varies on roughly the same timescale as the more regular solar cycle, and thus tends to fall into step with it, amplifying the solar variation.

ECONOMIST: The earth��s climate