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。
The next phase is to scale up the manufacturing process, with the aim of making the material rather as you would convert wood-pulp to newsprint.
下一步就是要达到规模化生产,让这一材料的制造过程如同把纸浆变成新闻纸那样容易。
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