Not only is HM Cancri the fastest binary star system every discovered, but it is almost the fastest binary star system possible.

双星HM Cancri不仅是已经发现的运行最快的双星系统；然而它们几乎又是太空中可能具有的运行最快的双星系统。

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At that speed, HM Cancri is the fastest binary star pair ever discovered, with each White Dwarf circling the other at a speed of 310 miles per second.

双星HM Cancri是迄今为止所发现的运行最快的双星，它们是一对白矮星，其中一个围绕着另一个运转的速度是每秒310英里。

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M: Hm, they may ask you what kind of salary you have in mind, or simply tell you what the company is offering.

M：嗯，他们可能会问你想要多少工资，或简单的告诉你公司给多少。

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The MREAL System for Mixed Reality (that's the full name -- or, if you want to drill down even further: the headset is the HM-A1 and the software platform is MP-100) generates video of one's surroundings using a pair of cameras positioned in front of the wearer's eyes, which is combined with computer-generated graphics.

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At present, this is done by HM Revenue and Customs (HMRC), but the government wants to test to see whether private companies can take the job on.

BBC: Concerns over tax credit overpayment collection

If this limit is breached, HM Revenue and Customs can insist on the payment of import duty and VAT of up to 20% on many items, which may include those prized jeans or iPods.

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