solar cycle

基本解释

But the opposite seems to have been true of the last solar cycle.
但是相反的情况似乎在上一个太阳周期就已出现。
Remember the deep solar minimum that persisted for the first two years of this solar cycle?
还记得在现在的太阳周期的头两年太阳持续处于活动低迷期吗？
This east-west flow of plasma inside the sun normally indicates the onset of sunspot formation for the next solar cycle.
太阳内部自东向西的等离子流预示着下一个太阳周期里太阳黑子的形成。

The total energy reaching Earth from the sun rises and falls by just one tenth of one percent across this solar cycle.

Experts expect the current cycle, known as Solar Cycle 24, to peak in 2013.
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