The supermassive black holes at the centres of galaxies (and around which those galaxies are assumed to have accreted in the first place) are much more disturbing, for there are a lot more of them.

星系中心的超大质量黑洞（磁星周围的星系应该是最先生成的）更加令人不安，因为数量太多了。

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Although hardware stays in one place, "virtual machines" consuming processing power can jump around, even between far-flung data centres.

虽然硬件呆在一个地方静止不动，“虚拟机”消耗的处理能力却能跳来跳去，甚或在遥远的数据中心之间来去自如。

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The central fund will, Wang hopes, be in place by the end of this year, although it could affect cash flows to the centres in the meantime.

王韧希望在今年年底之前这个中央基金将建立起来，尽管与此同时它可能影响到流向各个中心的现金流。

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As a result it said the operation should take place only in centres with highly experienced surgeons and that patients should be warned of the risks.

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He said it was up to the NHS to make sure there was access to "the right care in the right place" and urged commissioners to use drop-in centres alongside main "hub" hospital, such as the new Sandwell super hospital.

BBC: Heartlands Hospital A&E

"I hope this is not a reflection of what is taking place in our police training centres throughout the country, " he said.

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