Hepatitis E virus ( HEV ) strain 87 A and enterovirus ( ETV ) echovirus type 13 were inocu - lated onto A 549 cell line.建立了生物素标记探针技术,以便用于戊型肝炎病毒 ( hepatitisEvirus,HEV ) 的诊断及与肠道病毒的鉴别....
Dozens of miles of railway track have been torn up.好几十英里的铁轨被毁坏了。Across the river the railway track ran up to the pithead.铁轨跨过这条河直达矿井口。The job needs someone with a good track record in investment.这项工作需要有良好投资业绩的人来担当。...