This approach allows data centers to use outside air when the temperature is cool, while falling back on chillers on warmer days.

该途径使得数据中心在外面温度较低时能够利用外面的空气，而在更热的日子里回去使用冷却器。

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The observations show that its temperature is falling at an alarming rate: from 2.12 million K to 2.04 million K, or 4%, in 10 years.

观测表明其温度正以惊人的速度下降：在10年内从2120000 K降到2040000 K，或者降了4%的温度。

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As the beam falling on the Equator covers a much smaller area, its energy is more concentrated and the temperature is higher.

落到赤道上的光束覆盖的范围比较少，因而能量比较集中，温度也比较高。

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