The technology has improved enormously since then: it is now possible to sequence a human genome in about eight days, at a cost of around $10,000.

但是从那时此，技术水平得到了显著的提升：现在只需八天和10000美元就进行一次人类基因组测序成为了可能。

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They say they have strong evidence for another planet in the same system that has about eight times the mass of the Earth and orbits every 84 days.

他们说他们有足够证据证明在同样系统内还有一个行星，体积为地球的8倍，运转周期为84天。

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In general, immunity to H1N1 2009 kicks in about seven to eight days after the vaccine, slightly faster than the 10 to 14 days typical of seasonal flu vaccine.

一般来讲，对2009H1N1的免疫力在使用疫苗后的7至8天后产生，比接种典型季节性疫苗后10至14天才产生免疫力要稍快。

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The New York Times newspaper reports that,on average, people experience feelings of loneliness about forty-eight days a year.

VOA: special.2009.12.22

The average person is said to experience feelings of loneliness about forty-eight days a year.

VOA: special.2010.01.06

Currently, the Severe Storms Laboratory can forecast weather conducive to tornadoes about seven or eight days out, Brooks said.

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Let's start, since we just finished with David Davis talking about the twenty eight days thing, there's almost sort of nobody it seems to be left in authority in terms of justice system and ex senior attorney generals and so on who actually supports twenty eight days now.

BBC: Jack Straw MP. photo courtesy Jeff Overs

"The shocking reports about three tragic deaths in eight days following the use of force by police highlights Inquest's growing concern about deaths following contact with the police, " said Helen Shaw, a spokeswoman for the organisation.

BBC: Taser and pepper spray review ruled out by police