病毒感染性测定（ａｓｓａｙｏｆｖｉｒａｌｉｎｆｅｃｔｉｖｉｔｙ￥／／）：测定病毒标本中具有感染活性的病毒体数量的定量分析方法，过去多称为病毒滴定（ｖｉｒｕｓｔｉｔｒａｔｉｏｎ）。病毒感染性测定的量并不是具有感染活性病毒体的绝对量，而是能引起受病毒感染... Determination of viral infection (assay // viralinfectivity ¥): The quantitative assay for determining the number of infectious virions in a viral specimen, formerly known as virustitration. The amount of virus infectivity assay does not have the absolute amount of infectiously active virions, but can cause viral infections ...