二是取决于太阳的活动程度。
What is the link between solar activity and global warming?
太阳活动和全球气候变暖之间的联系是什么？
This is a clear indication of the connection with the solar activity.
这就清楚地表明，这种现象和太阳活动有明显联系。
The more we know about solar activity, the better we can protect ourselves.
我们对太阳活动知道的越多，就越能更好地保护我们自己。
When there's more solar wind activity, less carbon-14 is produced.
太阳风活动越频繁，产生的碳14就越少。
When there's more solar wind activity, less carbon-14 is produced.
太阳风活动越频繁，产生的碳14就越少。
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