sunspot radiation

例句：

1. 1. The sunspot radiation isa significant factor in the Earth'sclimate.
   太阳黑子辐射是地球气候的一个重要因素。
2. 2. Solar radiation is responsible for thewarming of the planet.
   太阳辐射对地球的温暖起着重要作用。
3. 3. The study of solarradiation has led to new discoveries aboutthe universe.
   研究太阳辐射已经导致了关于宇宙的新发现。