第25个太阳周期有没有可能压根不会来到？

Might Cycle 25 not start at all?

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其他学者则预测这将会是有记录以来太阳周期中活动最频繁的一次。

Others predicted that it would be the most active solar cycle on record.

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你知道太阳活动是有周期的。

You see the sun has cycles.

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太阳的活动通常在一个还算规则的周期内上下浮动。

The sun's activity usually ebbs and flows on a fairly predictable cycle.

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所以我们知道了,绕太阳转的周期。

So you know what the period is to go around the sun.

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在一个活动周期开始的时候，就可以找到高速气流，像中纬度地区的太阳黑子。

At the beginning of a cycle the jet stream is found, like sunspots, in mid-latitudes.

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2009年，太阳正处于周期谷底。

In 2009 the sun was at the bottom of its cycle.

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这是被称为太阳黑子周期。

This is known as the sunspot cycle.

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你真的可以是上面周期的太阳。

SUN may thou be on the cycle above.

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太阳循环周期需要一年。

A cycle of the sun takes a year.

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但证实太阳活动周期与天气之间的明确联系一直存在困难。 ！

But pinning down a clear link to weather has proved harder.

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但证实太阳活动周期与天气之间的明确联系一直存在困难。 ！

But pinning down a clear link to weather has proved harder.

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