The Sloan Centre on Ageing and Work at Boston College found in a survey that 40% of employers worry that the ageing of the workforce will have a negative or very negative impact on their business.

然而，很多人都为这一变化所震惊，波斯顿学院斯隆年龄与工作中心调查发现，40%的雇主担心劳动力老龄化会影响甚至严重影响公司业务；

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WHEN the Sloan Digital Sky Survey started work in 2000, its telescope in New Mexico collected more data in its first few weeks than had been amassed in the entire history of astronomy.

自从斯隆数字巡天于2000年开始工作，头几个星期它在新墨西哥州的望远镜收集到的数据量就超过了整个天文学历史的积累数据量。

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Practically side-by-side in time, discovered in separate observations made as part of the Sloan Digital Sky Survey, are compact but bright objects known as quasars.

实际上与此同时，在索隆的数字天空测量的分离观测部分里，这种紧凑但是明亮的物体已经被发现，并被认知为类星体。

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The database produced by the Sloan survey will form one element of the so-called Virtual Observatory.

ECONOMIST: Telescopes are getting bigger, better and less tangible

That still leaves dark energy which is where the Sloan survey comes in.

ECONOMIST: Astronomy

As they announced at the meeting in San Diego, the Sloan survey team was able to pick up such a density peak at a distance of 500m light years.

ECONOMIST: Astronomy