Sunspot activity is correlated with the total amount of energy we receive from the sun.
太阳黑子的活动性与我们从太阳那获得的总能量密切相关。
What Causes Global Warming, human activity or the sun?
是什么原因导致全球变暖，人类活动或太阳？
Sun light could increase the nematocidal activity of extract.
光照处理可显著提高提取物的杀线活性；
The sun is the source of energy for everything on planet earth, all life, all weather, and all activity that we know.
太阳是地球上万物的能量之 源，包括我们知道的所有生命、所有天气和所有的活动。
The sun is the source of energy for everything on planet earth, all life, all weather, and all activity that we know.
太阳是地球上万物的能量之 源，包括我们知道的所有生命、所有天气和所有的活动。
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