... solar cycle ==> 太阳活动周,太阳周 solar cycle effect ==> 太阳周效应 solar cycle variation ==> 太阳周变化 ...
双语例句
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Comment on "Enhanced upper stratospheric ozone: Sign of recovery or solarcycleeffect?" By W. Steinbrecht et al.
等人对“上部平流层臭氧增强：是复原式是太阳循环作用的信号?。
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Scientists also believe it may also be possible that during the next upturn of the cycle, when solar activity increases, there might be a cooling effect at the Earth's surface.