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。
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。
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。
According to one study, the average person feels lonely about forty-eight days per year.
据调查，一个人平均每年有48天会有寂寞感。
She is about to go into hospital for eight days to have a minor operation for umbilical hernia.
为了做脐疝的小手术，她住了八天的医院。
According to one, the average person feels lonely about forty-eight days per year.
据调查，一个人平均每年有48天会有寂寞感。
This festival runs for about seven to eight days. The Gregorian calendar points to the first of April as the start of the festival.
这是一个七天-八天的节期，从我们的阳历来看，大概是四月1日开始。
This festival runs for about seven to eight days. The Gregorian calendar points to the first of April as the start of the festival.
这是一个七天-八天的节期，从我们的阳历来看，大概是四月1日开始。
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