virus-containingBNC¹⁷³⁹⁹⁵⁺² 例句 As technological research findings will be industrialization, we choose the sucrose density gradient centrifugation as purified method and study the postorder work of purified virus-containing fluids. 鉴于产品开发要求，试验研究确定选用蔗糖密度梯度离心方法作为流感疫苗的纯化手段。 cnki