But companies cannot readily scale up the process from the 400 million doses of regular flu vaccine they make each year to the billions needed in a pandemic.
但公司无法轻易将生产规模从年产400万支常规流感疫苗扩大到流感大流行期间所需的数十亿产量。
2
Dr Kennedy discovered that some key phrases, themes and words occurred during regular intervals throughout, which matched the spacing in the 12 note scale.
肯尼迪博士发现，在整个过程中一些关键的短语，主题和词语定期出现，恰好匹配12音符音阶的间距。
3
Blair's production has been subject to regular, small-scale variations, with different sorts of crimes or punishments constantly adding freshness to what is, after all, a fairly limited script.