Some suggest that variations in the Sun's energy output could account for the ice ages.

有人认为，太阳能量输出的变化可能是导致冰河时代的原因。

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How about the sun's energy output?

太阳是如何输出能量的？

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When the sun returns, energy output shoots up.

而当太阳再出现的时候，能量输出又会急剧反弹。

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The International Labor Organization estimates that renewable energy could generate up to 20 million new jobs, if it were to represent 30 percent of the worldwide energy output.

VOA: standard.2010.02.24

Aramco, the Saudi state oil company, sucks up nearly 10% of the country's energy output.

ECONOMIST: Gulf states not only pump oil; they burn it, too

Douglas says the company has cut its energy output by 20% in the last five years.

FORBES: Measuring Green

Investors expect energy output to be higher as consumers cool their homes and businesses cool their offices.

FORBES: 'Tis The Season To Buy A Utility Stock