We're nearing the peak of the 11-year solar cycle, so double-check your GPS and watch where you're going.
我们正在接近每11年太阳活动周期的顶峰，所以请重新检查你的GPS，注意你的去向。
Three times in the past the regular 11-year solar cycle has gone on an extended vacation - at the same time as cool periods on Earth.
每11年为一个周期的太阳黑子活动曾有三次未如期而至，而这三次都导致地球气候的变冷。
While solar activity is currently increasing in its standard 11-year cycle, this same cycle has occurred over millennia.
虽然，太阳活动目前在其标准的11年周期中逐渐增加，这种固定的周期持续了几千年。
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