The Yucaipa Strain of PMV-2 virus, which is the standard strain of the virus, and other three isolated strains in China we re propagated in the allantoic cavity of SPF chicken eggs, and purified by disco ntinuous sucrose density gradient centrifugation.是什么意思_The Yucaipa Strain of PMV-2 virus, which is the standard strain of the virus, and other three isolated strains in China we re propagated in the allantoic cavity of SPF chicken eggs, and purified by disco ntinuous sucrose density gradient centrifugation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句